Merge pull request #100792 from ramankumarlive/patch-25

added notes for DiskEncryptionSet identity issue

Author: PRMerger13

articles/virtual-machines/linux/disk-encryption.md

@@ -102,7 +102,10 @@ The preview also has the following restrictions:
     az disk-encryption-set create -n $diskEncryptionSetName -l $location -g $rgName --source-vault $keyVaultId --key-url $keyVaultKeyUrl
     ```
 
-1.	Grant the DiskEncryptionSet resource access to the key vault.
+1.	Grant the DiskEncryptionSet resource access to the key vault. 
+
+    > [!NOTE]
+    > It may take few minutes for Azure to create the identity of your DiskEncryptionSet in your Azure Active Directory. If you get an error like "Cannot find the Active Directory object" when running the following command, wait a few minutes and try again.
 
     ```azurecli
     desIdentity=$(az disk-encryption-set show -n $diskEncryptionSetName -g $rgName --query [identity.principalId] -o tsv)