Azure Data Explorer 集群连接失败：Principal未授权执行VersionShowCommand操作问题求助

Hey there, let’s work through this permission issue together—here’s how to get your Data Explorer connection working again:

• Check your Azure Synapse Workspace IAM Role
  First, make sure you have a role that grants access to manage or interact with Data Explorer clusters in your Synapse workspace. Roles like Synapse Administrator or Synapse Contributor are usually sufficient, but you can verify this in the Azure Portal: go to your Synapse workspace, navigate to Access control (IAM), and check your assigned roles.

• Assign Specific Permissions to the Data Explorer Cluster
  If your workspace-level role is okay, you might be missing cluster-specific permissions. Here’s how to add them:

  1. Open Azure Synapse Studio and go to the Data Explorer module.
  2. Right-click on the cluster you’re trying to connect to, then select Manage permissions.
  3. Click Add, search for your email address (the myEmailIdForAzure mentioned in the error), and select it.
  4. Assign at least the Viewer role (if you need to run commands, go with User or Admin depending on your needs).
  5. Save the changes, then wait a few minutes for permissions to propagate.

• Reconnect and Verify
  Close any existing connections to the cluster, then try connecting again. If you still see the error, log out of Synapse Studio and log back in to refresh your session permissions.

• Bonus Troubleshooting Checks
  If the above steps don’t work, double-check these:

  • Make sure there are no Deny assignments in the workspace IAM that are blocking your access.
  • Verify the cluster’s network settings—if IP firewall rules are enabled, ensure your current IP address is in the allowed list.

Quick note: The VersionShowCommand is a basic Data Explorer command that requires at least Viewer-level permissions, so getting the right cluster-specific role assigned is the key fix here.

内容的提问来源于stack exchange，提问作者Manu Chadha