Most Common WSUS Errors Codes

If you encounter Windows update error codes, you can check the System log in the Event Viewer, typically under the event source “WindowsUpdateClient” (though it doesn’t provide much info as always 😂). Another place to look is in the “C:\Windows\Logs\WindowsUpdate.log” file for Server 2012R2 / Windows 8.1 and below. For the later Windows version, you will need to use Event Tracing for Windows (ETW) to generate diagnostic logs.

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