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24 changes: 23 additions & 1 deletion articles/update-manager/troubleshoot.md
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Expand Up @@ -160,7 +160,29 @@ This issue is frequently caused by network configuration and firewall problems.
* If the machines are configured for Windows Update, make sure that you can reach the endpoints described in [Issues related to HTTP/proxy](/windows/deployment/update/windows-update-troubleshooting#issues-related-to-httpproxy).
* If the machines are configured for Windows Server Update Services (WSUS), make sure that you can reach the WSUS server configured by the [WUServer registry key](/windows/deployment/update/waas-wu-settings).

If you see an `HRESULT` error code, double-click the exception displayed in red to see the entire exception message. Review the following table for potential resolutions or recommended actions.
If you see an `HRESULT` error code, double-click the exception displayed in red to see the entire exception message. Review the following table for potential resolutions or recommended actions.

## An internal execution error occurred. Please retry later. The operation did not return a response and should be retried. This result may be incomplete.

### Issue

Azure Update Manager failed to patch the VM with an internal execution error.

### Cause
A transient issue or communication failure between Azure Update Manager and the VM. Common reasons include:
- Temporary platform or backend service glitch
- Unresponsive or outdated Azure VM Agent
- VM under heavy load or rebooting during the operation
- Network or connectivity issue

### Resolution

- Retry the update after a few minutes.
- Ensure VM Agent is healthy and up to date.You can also try to reboot the VM if the Agent status is "**Not Ready**"
- Check VM resource usage (CPU, memory, disk). Restart if needed.
- Verify network connectivity to Azure services.
- Review logs on the VM and Update Manager for more details.


|Exception |Resolution or action |
|---------|---------|
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