WUAUCLT.exe – Windows CMD Command

Windows Update Agent, download new Windows Update files.

WSUS uses a cookie on client computers to store computer group membership when client-side targeting is used. By default this cookie expires an hour after WSUS creates it. If you are using client-side targeting and change group membership, use /ResetAuthorization /detectnow to expire the cookie, initiate detection, and have WSUS update computer group membership.

If Windows Update has been blocked, disabled or failing for a long period of time a long history of updates will build up in the archive, this can cause high CPU use. Resetting the client can help with this, but it will take a long time to run Windows Update afterwards.

Preventing Automatic reboots

Run gpedit.msc

Navigate to: Computer Configuration > Administrative Templates > Windows Components > Windows Update

Open this and change the “No auto-restart with logged on users for scheduled automatic updates installations” to ENABLED

In the control panel choose Update and Security > Windows Update.

Click “Check for updates”

Alternatively set this in the registry:

HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate\AU
NoAutoRebootWithLoggedOnUsers (DWORD=1 to disable automatic reboots)

Examples:

C:\> wuauclt /a /DetectNow

C:\> wuauclt /r /DetectNow

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1 Response

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