Merge pull request #302913 from ellievail/patch-16

Update immutable-policy-configure-version-scope.md

Author: prmerger-automator[bot]

articles/storage/blobs/immutable-policy-configure-version-scope.md

@@ -151,7 +151,7 @@ To configure version-level immutability policies for an existing container, you
 
 To migrate an existing container to support version-level immutability policies, the container must have a container-level time-based retention policy configured. The migration fails unless the container has an existing policy. The retention interval for the container-level policy is maintained as the retention interval for the default version-level policy on the container.
 
-If the container has an existing container-level legal hold, then it can't be migrated until the legal hold is removed.
+If the container has an existing container-level legal hold, then it can't be migrated until the legal hold is removed. If a container or any blob within that container has an active lease, it cannot be migrated.
 
 ##### [Portal](#tab/azure-portal)