Temporary Windows Update
From nswccWiki
You may some times wish to temporarily set a computer to download updates from DET servers then later remove it.
The following two reg files will add and remove a computer to DET WSUS.
You may also wish to change http://microsoftupdate.det.nsw.edu.au to your local CPC server, http://10.x.y.41
DETWsusOn.reg
Windows Registry Editor Version 5.00 ;Descriptions are below each key - refer to 'WSUS Deployment Guide' ;Can manually force a detection & down using ;wuauclt.exe /detectnow ;wuauclt.exe /downloadnow [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate] "WUServer"="http://microsoftupdate.det.nsw.edu.au" ;HTTP URL of the WSUS server used by Automatic Updates "WUStatusServer"="http://microsoftupdate.det.nsw.edu.au" ;The HTTP URL of the server to which reporting information will be sent
DETWsusOff.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate] "WUServer"=- "WUStatusServer"=-
To do manual Windows Updates you need to set proxy to proxy.det.nsw.edu.au:8080 and untick the use pac file option.