Windows Update Commands - USOClient, Powershell, WUAUCLT

WUAUCLT
The windows update command utility in windows is: WUAUCLT. This stands for Windows Update Automatic Update
Client. This client has been deprecated in windows 10 and server 2016. Howeve,r it is still available through windows 7
and server 2012R2.
Below is a list of arguments you can pass to the WUAUCLT commands and a short explanation of what each argument
does.
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Command
/DetectNow
/ReportNow
Description
Detect and download updates that are available (will vary by system settings)
Tell the client to report its status back to the WSUS server
/RunHandlerComServer
/RunStoreAsComServer
/ShowSettingsDialog
/ShowWindowsUpdate
/ResetAuthorization
/ResetEulas
/ShowWU
/SelfUpdateManaged
/SelfUpdateUnmanaged
/ShowOptions
/ShowFeaturedOptInDialog
/DemoUI
/ShowFeaturedUpdates
Show Windows Update settings dialog
Shows the windows update dialog box or web page (depending on windows version)
when an update check occurs a cookie is stored that prevents a new update or check for 1 hour.
So, you should use this to delete this cookie
Resets the accepted EULA's
Shows the windows update dialog on windows vista and above. Opens Windows update on XP
Scan for windows updates using WSUS
Triggers a windows update scan using the windows update website
Open the windows update settings window
Show Opt-In dialog for featured updates
Show the icons for windows update
Open windows update dialog and shows the featured updates
/ShowWUAutoScan
/UpdateNow
Install updates now
Showing 1 to 17 of 17 entries
Examples
See below for some examples of running the wuauclt. All examples should be run from an elevated/administrative
command prompt
If all you want to do is detect and install updates right now, you would run:
Wuauclt /dectectnow /updatenow

If it is refusing to install, you can run:
Wuauclt /resetauthorization
If you want to have the client report its status back to the WSUS server, you would run:
Wuauclt /reportnow