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
11
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 11 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.