From 3b89c1e7b97085b3cedf5fb4ecd3a4549b74a7df Mon Sep 17 00:00:00 2001
From: Arsene Muhire <arsenemuhire@microsoft.com>
Date: Thu, 11 Jun 2026 17:12:47 -0700
Subject: [PATCH 1/3] Clarify DiskRP resource name characters

---
 .../Compute/ComputeDisk/Disk.tsp              |  2 +-
 .../Compute/ComputeDisk/DiskAccess.tsp        |  2 +-
 .../Compute/ComputeDisk/DiskEncryptionSet.tsp |  2 +-
 .../Compute/ComputeDisk/Snapshot.tsp          |  2 +-
 .../Compute/stable/2024-03-02/DiskRP.json     | 52 +++++++++----------
 .../Compute/stable/2025-01-02/DiskRP.json     | 52 +++++++++----------
 6 files changed, 56 insertions(+), 56 deletions(-)

diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Disk.tsp b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Disk.tsp
index e2f41487f9e0..4b74f81ec63c 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Disk.tsp
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Disk.tsp
@@ -131,7 +131,7 @@ interface Disks {
 
 @@doc(
   Disk.name,
-  "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters."
+  "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters."
 );
 @@doc(Disk.properties, "Disk resource properties.");
 @@doc(
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskAccess.tsp b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskAccess.tsp
index 9faa691480f7..3a72c1295b41 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskAccess.tsp
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskAccess.tsp
@@ -103,7 +103,7 @@ interface DiskAccesses {
 
 @@doc(
   DiskAccess.name,
-  "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters."
+  "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters."
 );
 @@doc(DiskAccess.properties, "");
 @@doc(
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskEncryptionSet.tsp b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskEncryptionSet.tsp
index 211eda2df85b..db2b7b37c379 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskEncryptionSet.tsp
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskEncryptionSet.tsp
@@ -108,7 +108,7 @@ interface DiskEncryptionSets {
 
 @@doc(
   DiskEncryptionSet.name,
-  "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters."
+  "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters."
 );
 @@doc(DiskEncryptionSet.properties, "");
 @@doc(
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Snapshot.tsp b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Snapshot.tsp
index 92998ca8398e..e42b0620d6aa 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Snapshot.tsp
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Snapshot.tsp
@@ -155,7 +155,7 @@ interface Snapshots {
 
 @@doc(
   Snapshot.name,
-  "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters."
+  "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters."
 );
 @@doc(Snapshot.properties, "Snapshot resource properties.");
 @@doc(
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2024-03-02/DiskRP.json b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2024-03-02/DiskRP.json
index ab04cdba40af..c31658fe1044 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2024-03-02/DiskRP.json
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2024-03-02/DiskRP.json
@@ -274,7 +274,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -321,7 +321,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -396,7 +396,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -471,7 +471,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -535,7 +535,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -584,7 +584,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -635,7 +635,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -717,7 +717,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -788,7 +788,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -876,7 +876,7 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -923,7 +923,7 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -1004,7 +1004,7 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -1085,7 +1085,7 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -1149,7 +1149,7 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -1240,7 +1240,7 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -1284,7 +1284,7 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -1431,7 +1431,7 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -1533,7 +1533,7 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -1597,7 +1597,7 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -1674,7 +1674,7 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -2059,7 +2059,7 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -2106,7 +2106,7 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -2196,7 +2196,7 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -2274,7 +2274,7 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -2338,7 +2338,7 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -2412,7 +2412,7 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
             "type": "string"
           }
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2025-01-02/DiskRP.json b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2025-01-02/DiskRP.json
index bc9a675221ab..b55f9ecb5ff7 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2025-01-02/DiskRP.json
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2025-01-02/DiskRP.json
@@ -274,7 +274,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -321,7 +321,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -396,7 +396,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -471,7 +471,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -535,7 +535,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -584,7 +584,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -635,7 +635,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -717,7 +717,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -788,7 +788,7 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -876,7 +876,7 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -923,7 +923,7 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -1004,7 +1004,7 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -1085,7 +1085,7 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -1149,7 +1149,7 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -1240,7 +1240,7 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -1284,7 +1284,7 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -1437,7 +1437,7 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -1539,7 +1539,7 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -1603,7 +1603,7 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -1683,7 +1683,7 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -2068,7 +2068,7 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -2115,7 +2115,7 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -2208,7 +2208,7 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -2286,7 +2286,7 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
             "type": "string"
           }
@@ -2350,7 +2350,7 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
             "type": "string"
           },
@@ -2424,7 +2424,7 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
             "type": "string"
           }

From 483f0fcab1ac1ea0a22a83b9d592787c9d36b1d5 Mon Sep 17 00:00:00 2001
From: Arsene Muhire <arsenemuhire@microsoft.com>
Date: Mon, 15 Jun 2026 14:13:37 -0700
Subject: [PATCH 2/3] Align DiskRP name patterns with public contract

---
 .../Compute/ComputeDisk/Disk.tsp              |  2 +-
 .../Compute/ComputeDisk/Snapshot.tsp          |  2 +-
 .../Compute/stable/2024-03-02/DiskRP.json     | 24 +++++++++----------
 .../Compute/stable/2025-01-02/DiskRP.json     | 24 +++++++++----------
 4 files changed, 26 insertions(+), 26 deletions(-)

diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Disk.tsp b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Disk.tsp
index 4b74f81ec63c..cf2cd4489df4 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Disk.tsp
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Disk.tsp
@@ -19,7 +19,7 @@ model Disk is Azure.ResourceManager.TrackedResource<DiskProperties> {
     Resource = Disk,
     KeyName = "diskName",
     SegmentName = "disks",
-    NamePattern = ""
+    NamePattern = "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
   >;
 
   /**
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Snapshot.tsp b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Snapshot.tsp
index e42b0620d6aa..05336b5d9531 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Snapshot.tsp
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/Snapshot.tsp
@@ -21,7 +21,7 @@ model Snapshot is Azure.ResourceManager.TrackedResource<SnapshotProperties> {
     Resource = Snapshot,
     KeyName = "snapshotName",
     SegmentName = "snapshots",
-    NamePattern = ""
+    NamePattern = "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
   >;
 
   /**
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2024-03-02/DiskRP.json b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2024-03-02/DiskRP.json
index c31658fe1044..c189bc912cc4 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2024-03-02/DiskRP.json
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2024-03-02/DiskRP.json
@@ -1242,7 +1242,7 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1286,7 +1286,7 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "disk",
@@ -1433,7 +1433,7 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "disk",
@@ -1535,7 +1535,7 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1599,7 +1599,7 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -1676,7 +1676,7 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2061,7 +2061,7 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2108,7 +2108,7 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "snapshot",
@@ -2198,7 +2198,7 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "snapshot",
@@ -2276,7 +2276,7 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2340,7 +2340,7 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -2414,7 +2414,7 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2025-01-02/DiskRP.json b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2025-01-02/DiskRP.json
index b55f9ecb5ff7..c1375239b9f2 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2025-01-02/DiskRP.json
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2025-01-02/DiskRP.json
@@ -1242,7 +1242,7 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1286,7 +1286,7 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "disk",
@@ -1439,7 +1439,7 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "disk",
@@ -1541,7 +1541,7 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1605,7 +1605,7 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -1685,7 +1685,7 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2070,7 +2070,7 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2117,7 +2117,7 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "snapshot",
@@ -2210,7 +2210,7 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "snapshot",
@@ -2288,7 +2288,7 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2352,7 +2352,7 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -2426,7 +2426,7 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {

From dc9eeeb2cf2674726b0a19f2cb2117b215bf94ba Mon Sep 17 00:00:00 2001
From: Arsene Muhire <arsenemuhire@microsoft.com>
Date: Tue, 30 Jun 2026 23:49:48 -0700
Subject: [PATCH 3/3] Add DiskRP resource name patterns

---
 .../Compute/ComputeDisk/DiskAccess.tsp        |   2 +-
 .../Compute/ComputeDisk/DiskEncryptionSet.tsp |   2 +-
 .../Compute/ComputeDisk/DiskRestorePoint.tsp  |   4 +-
 .../Compute/stable/2024-03-02/DiskRP.json     |  87 ++++++----
 .../Compute/stable/2025-01-02/DiskRP.json     |  87 ++++++----
 .../Compute/stable/2026-03-02/DiskRP.json     | 149 +++++++++++-------
 6 files changed, 210 insertions(+), 121 deletions(-)

diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskAccess.tsp b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskAccess.tsp
index 3a72c1295b41..e0502aab3c65 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskAccess.tsp
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskAccess.tsp
@@ -20,7 +20,7 @@ model DiskAccess
     Resource = DiskAccess,
     KeyName = "diskAccessName",
     SegmentName = "diskAccesses",
-    NamePattern = ""
+    NamePattern = "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
   >;
 
   /**
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskEncryptionSet.tsp b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskEncryptionSet.tsp
index db2b7b37c379..2bee1dcaa8f0 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskEncryptionSet.tsp
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskEncryptionSet.tsp
@@ -20,7 +20,7 @@ model DiskEncryptionSet
     Resource = DiskEncryptionSet,
     KeyName = "diskEncryptionSetName",
     SegmentName = "diskEncryptionSets",
-    NamePattern = ""
+    NamePattern = "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
   >;
 
   /**
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskRestorePoint.tsp b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskRestorePoint.tsp
index b4e141e90cb3..e83d9e0da83c 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskRestorePoint.tsp
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/ComputeDisk/DiskRestorePoint.tsp
@@ -20,7 +20,7 @@ model DiskRestorePoint
     Resource = DiskRestorePoint,
     KeyName = "diskRestorePointName",
     SegmentName = "diskRestorePoints",
-    NamePattern = ""
+    NamePattern = "^[^_\\W][\\w-._]{0,259}(?<![-.])$"
   >;
 }
 
@@ -54,7 +54,7 @@ interface DiskRestorePointsOps
           DiskRestorePoint,
           SegmentName = "diskRestorePoints",
           KeyName = "diskRestorePointName",
-          NamePattern = ""
+          NamePattern = "^[^_\\W][\\w-._]{0,259}(?<![-.])$"
         >,
       }>,
       CloudError
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2024-03-02/DiskRP.json b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2024-03-02/DiskRP.json
index c189bc912cc4..77b447c63c8e 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2024-03-02/DiskRP.json
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2024-03-02/DiskRP.json
@@ -276,7 +276,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -323,7 +324,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "diskAccess",
@@ -398,7 +400,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "diskAccess",
@@ -473,7 +476,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -537,7 +541,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -586,7 +591,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "privateEndpointConnectionName",
@@ -637,7 +643,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "privateEndpointConnectionName",
@@ -719,7 +726,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "privateEndpointConnectionName",
@@ -790,7 +798,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -878,7 +887,8 @@
             "in": "path",
             "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -925,7 +935,8 @@
             "in": "path",
             "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "diskEncryptionSet",
@@ -1006,7 +1017,8 @@
             "in": "path",
             "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "diskEncryptionSet",
@@ -1087,7 +1099,8 @@
             "in": "path",
             "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1151,7 +1164,8 @@
             "in": "path",
             "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1242,7 +1256,8 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1286,7 +1301,8 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "disk",
@@ -1433,7 +1449,8 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "disk",
@@ -1535,7 +1552,8 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1599,7 +1617,8 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -1676,7 +1695,8 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1807,7 +1827,8 @@
             "in": "path",
             "description": "The name of the DiskRestorePoint",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,259}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1870,7 +1891,8 @@
             "in": "path",
             "description": "The name of the DiskRestorePoint",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,259}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -1958,7 +1980,8 @@
             "in": "path",
             "description": "The name of the DiskRestorePoint",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,259}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2061,7 +2084,8 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2108,7 +2132,8 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "snapshot",
@@ -2198,7 +2223,8 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "snapshot",
@@ -2276,7 +2302,8 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2340,7 +2367,8 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -2414,7 +2442,8 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2025-01-02/DiskRP.json b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2025-01-02/DiskRP.json
index c1375239b9f2..5e17532a6892 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2025-01-02/DiskRP.json
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2025-01-02/DiskRP.json
@@ -276,7 +276,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -323,7 +324,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "diskAccess",
@@ -398,7 +400,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "diskAccess",
@@ -473,7 +476,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -537,7 +541,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -586,7 +591,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "privateEndpointConnectionName",
@@ -637,7 +643,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "privateEndpointConnectionName",
@@ -719,7 +726,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "privateEndpointConnectionName",
@@ -790,7 +798,8 @@
             "in": "path",
             "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -878,7 +887,8 @@
             "in": "path",
             "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -925,7 +935,8 @@
             "in": "path",
             "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "diskEncryptionSet",
@@ -1006,7 +1017,8 @@
             "in": "path",
             "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "diskEncryptionSet",
@@ -1087,7 +1099,8 @@
             "in": "path",
             "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1151,7 +1164,8 @@
             "in": "path",
             "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1242,7 +1256,8 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1286,7 +1301,8 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "disk",
@@ -1439,7 +1455,8 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "disk",
@@ -1541,7 +1558,8 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1605,7 +1623,8 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -1685,7 +1704,8 @@
             "in": "path",
             "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1816,7 +1836,8 @@
             "in": "path",
             "description": "The name of the DiskRestorePoint",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,259}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1879,7 +1900,8 @@
             "in": "path",
             "description": "The name of the DiskRestorePoint",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,259}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -1967,7 +1989,8 @@
             "in": "path",
             "description": "The name of the DiskRestorePoint",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,259}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2070,7 +2093,8 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2117,7 +2141,8 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "snapshot",
@@ -2210,7 +2235,8 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "snapshot",
@@ -2288,7 +2314,8 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2352,7 +2379,8 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -2426,7 +2454,8 @@
             "in": "path",
             "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string",`r`n            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
diff --git a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2026-03-02/DiskRP.json b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2026-03-02/DiskRP.json
index efd52c000ccd..572418462753 100644
--- a/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2026-03-02/DiskRP.json
+++ b/specification/compute/resource-manager/Microsoft.Compute/Compute/stable/2026-03-02/DiskRP.json
@@ -274,9 +274,10 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -321,9 +322,10 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "diskAccess",
@@ -396,9 +398,10 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "diskAccess",
@@ -471,9 +474,10 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -535,9 +539,10 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -584,9 +589,10 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "privateEndpointConnectionName",
@@ -635,9 +641,10 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "privateEndpointConnectionName",
@@ -717,9 +724,10 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "privateEndpointConnectionName",
@@ -788,9 +796,10 @@
           {
             "name": "diskAccessName",
             "in": "path",
-            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk access resource that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -876,9 +885,10 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -923,9 +933,10 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "diskEncryptionSet",
@@ -1004,9 +1015,10 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "diskEncryptionSet",
@@ -1085,9 +1097,10 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1149,9 +1162,10 @@
           {
             "name": "diskEncryptionSetName",
             "in": "path",
-            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the disk encryption set that is being created. The name can't be changed after the disk encryption set is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1240,9 +1254,10 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1287,9 +1302,10 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "disk",
@@ -1440,9 +1456,10 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "disk",
@@ -1542,9 +1559,10 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1606,9 +1624,10 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -1686,9 +1705,10 @@
           {
             "name": "diskName",
             "in": "path",
-            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.",
+            "description": "The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The maximum name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1819,7 +1839,8 @@
             "in": "path",
             "description": "The name of the DiskRestorePoint",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,259}(?<![-.])$"
           }
         ],
         "responses": {
@@ -1888,7 +1909,8 @@
             "in": "path",
             "description": "The name of the DiskRestorePoint",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,259}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -1976,7 +1998,8 @@
             "in": "path",
             "description": "The name of the DiskRestorePoint",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,259}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2077,9 +2100,10 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2127,9 +2151,10 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "snapshot",
@@ -2220,9 +2245,10 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "snapshot",
@@ -2298,9 +2324,10 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2362,9 +2389,10 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "grantAccessData",
@@ -2436,9 +2464,10 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           }
         ],
         "responses": {
@@ -2497,9 +2526,10 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "immutabilityPolicyData",
@@ -2575,9 +2605,10 @@
           {
             "name": "snapshotName",
             "in": "path",
-            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The max name length is 80 characters.",
+            "description": "The name of the snapshot that is being created. The name can't be changed after the snapshot is created. Supported characters for the name are a-z, A-Z, 0-9, underscore (_), hyphen (-), and dot (.). The max name length is 80 characters.",
             "required": true,
-            "type": "string"
+            "type": "string",
+            "pattern": "^[^_\\W][\\w-._]{0,79}(?<![-.])$"
           },
           {
             "name": "immutabilityPolicyData",