Document steps to disable Private Link for tenant migration (#3109)

* Document steps to disable Private Link for tenant migration

Added instructions for disabling Private Link during tenant migration.

* Update instructions for tenant migration and private link

Clarify instructions for disabling tenant-level private link before migration.

* Refine Private Link disable instructions for tenant migration

Updated formatting and wording for clarity in the Private Link section, including steps for tenant migration.

* Fix step numbering in private link cleanup instructions

Corrected the numbering of steps for cleaning up tenant-level private link before migration.

* Update docs/security/security-private-links-use.md

Co-authored-by: Michele Martin <36167252+msmimart@users.noreply.github.com>

* Update docs/security/security-private-links-use.md

Co-authored-by: Michele Martin <36167252+msmimart@users.noreply.github.com>

* Update docs/security/security-private-links-use.md

Co-authored-by: Michele Martin <36167252+msmimart@users.noreply.github.com>

* Fix formatting

Corrected formatting of steps for disabling private link during tenant migration.

---------

Co-authored-by: Michele Martin <36167252+msmimart@users.noreply.github.com>
Co-authored-by: Diana Richards <103777760+v-dirichards@users.noreply.github.com>

Author: 3 people

docs/security/security-private-links-use.md

@@ -227,7 +227,17 @@ If you want to disable the Private Link setting, make sure that all the private
 
 If you're going to disable the Private Link setting, it's recommended to do so during nonbusiness hours. It might take up to 15 minutes of downtime for some scenarios to reflect the change. 
 
+## Disable Private Link for tenant migration
+
+If you have tenant-level private link, clean it up fully before [tenant migration](/power-bi/support/service-admin-region-move). Follow these steps:
+
+1. In the Fabric portal, enable public internet access: **Power BI > Admin portal > Tenant settings > Public Internet Access**.
+1. In the Azure portal, delete all associated private endpoints you created.
+1. In the Azure portal, delete all corresponding private DNS zones.
+1. In the Azure portal, delete the private link service **Microsoft.PowerBI/privateLinkServicesForPowerBI**. There should be only one. Turn on **Show hidden types** when exploring Resource Groups.
+1. In the Fabric portal, disable tenant-level private link: **Power BI > Admin portal > Tenant settings > Tenant-level Private Link**.
+
 ## Related content
 
 * [About tenant-level private links](security-private-links-overview.md)
-* [About workspace-level private links](security-workspace-level-private-links-overview.md)
+* [About workspace-level private links](security-workspace-level-private-links-overview.md)