Same issue here this morning and a temporary deselect of the "Developer Tools, Runtimes, and Redistributables" product group allowed sync to complete. Has MS published any time to resolution?
WSUS stopped syncing with Microsoft
RobertC
6
Reputation points
Our WSUS server is reporting sync failures with Microsoft. It started yesterday 4/7/2021.
Error: The upstream server experienced an unexpected error. Please try again at a later time.
We have not made any changes on our end.
Is there an issue with Microsoft's side?
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RobertC 6 Reputation points
2021-04-08T19:09:56.493+00:00 MS said it is now working. I enabled the "Developer Tools, Runtimes, and Redistributables" again and sync was successful.