Merge pull request #181520 from meenalsri/patch-17

Update credentials.md

Author: GitHubber17

articles/data-factory/credentials.md

@@ -69,6 +69,7 @@ Below are the generic steps for using a **user-assigned managed identity** in th
 
 > [!NOTE] 
 > You can use SDK/ PowerShell/ REST APIs for the above actions.
+> Linked services with user-assigned managed identity are currently not supported in Synapse Spark. 
 
 ## Next steps