WSUS Tricky

Sometime it is very hard to register a computer account to the WSUS. Use the following script to make sure a computer is registered to WSUS:

net stop wuauserv

REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update" /v NextDetectionTime /f

REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v SusClientId /f

REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v SusClientIdValidation /f

net start wuauserv

wuauclt /resetauthorization /detectnow

Note: you can also use this script to your ESX VI customization template to make sure your new VMs deployed from that template has a unique SusClientId