Windows Server Update Services (WSUS)

Install the role, install all Windows Updates
Launch the WSUS utility and follow the instructions. Start by just synchronising the things you really need, to save disk space, and revisit selections later (probably after all of your clients have successfully installed the critical updates)

Force a client to see a computer group change

net stop wuauserv
REG DELETE "HKLM\Software\Microsoft\Windows\CurrentVersion\WindowsUpdate" /va /f
rmdir /s /q %windir%\softwaredistribution
net start wuauserv
wuauclt.exe /resetauthorization /detectnow

Export list of computers needing updates

Go to Computers / All Computers / Computer Group Name
Set the Status to “Failed or Needed”
CTRL + A to select all
Right click, Status Report
Click the Save icon

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Windows Server Update Services (WSUS)

Force a client to see a computer group change

Export list of computers needing updates

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Windows Server Update Services (WSUS)

Force a client to see a computer group change

Export list of computers needing updates

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