diff --git a/changelogs/fragments/9646-hpilo-fix-idempotency.yml b/changelogs/fragments/9646-hpilo-fix-idempotency.yml
new file mode 100644
index 00000000000..099cb84f8eb
--- /dev/null
+++ b/changelogs/fragments/9646-hpilo-fix-idempotency.yml
@@ -0,0 +1,2 @@
+minor_changes:
+  - "hpilo_boot - Fix module failing when trying to power on an already powered-on server (idempotency issue) (https://github.com/ansible-collections/community.general/pull/9646)."
\ No newline at end of file
diff --git a/plugins/modules/hpilo_boot.py b/plugins/modules/hpilo_boot.py
index ecef60f66a2..b49a76ad32f 100644
--- a/plugins/modules/hpilo_boot.py
+++ b/plugins/modules/hpilo_boot.py
@@ -188,9 +188,8 @@ def main():
         power_status = ilo.get_host_power_status()
 
         if not force and power_status == 'ON':
-            module.fail_json(msg='HP iLO (%s) reports that the server is already powered on !' % host)
-
-        if power_status == 'ON':
+           pass
+        elif power_status == 'ON':
             ilo.warm_boot_server()
 #            ilo.cold_boot_server()
             changed = True