PC not reporting status in WSUS server.
Be patient allow 2 hours.
wuauclt
wuauclt.exe /DetectNow
wuauclt.exe /resetauthorization /detectnow
1. Stop the Automatic Updates service
2. Removing the AccountDomainSid and SusClientId values from the HKLM\Software\Microsoft\Windows\CurrentVersion\WindowsUpdate key
3. Start the Automatic Updates service
4. Issue a wuauclt /resetauthorization /detectnow command
Log can be found at c:\windows\WindowsUpdate.log