WSUS Client Troubleshooting

From Technet

Test all the following from the client machine.
- Check network communications with server
- ping WSUS-Server
- http://WSUS-Server[:port] - should get response - e.g. Under Construction
- http://WSUSServerName/selfupdate/
- Should result in offer to download a file - hit cancel
- if not, go to this URL: Check Self-Update Tree
- Check Automatic Update Client
- Open CMD prompt and type
reg query HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
- Should display something like:
WUServer    REG_SZ  http://WSUSServerName
WUStatusServer      REG_SZ  http://WSUSServerName
- Reset Automatic Update Client
- Open CMD prompt and type wuauclt.exe /resetauthorization /detectnow
- Wait 10 minutes
- Check C:\Windows\WindowsUpdate.log
- Check "All Computers" group on the WSUS Server to see if it appears.

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