Resizing an Azure or Windows 365 Cloud VM fails with WSSA installed on the VM.
If I uninstall the WSS Agent (WSSA) from the VM, the resize action succeeds.
- The error does not popup right away
- The error takes about an hour (or more) to popup in the Windows 365 management console
- The error appears after the VM resizing is complete (or near completion)
The error that appears in the Windows 365 management console is:
An unknown error occurred during resize.
In reviewing the back-end logs for the Windows 365 portal, the error that was shown was:
Also, we noticed that there were messages about:
Using fabric URI http://22.214.171.124
GetVersions() failed with exception ...Response status code...: 503
In researching what this IP address was, we found these two Microsoft docs:
"If you've blocked access to 126.96.36.199 using the guest firewall or with a proxy, extensions will fail."
To resolve the issue, we added that one IP address to the WSSA Bypass List, and the VM was able to be resized successfully: