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After running critical Windows updates, you are required to reboot machine within certain period. On my Windows Vista, the longest I can pause is 4 hours.

Is there a way to disable reboot proprompt and be done with it?

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4 Answers 4

up vote 7 down vote accepted

Yes. The easy way, assuming you're not in a domain, is to edit the local policy through gpedit.msc

It's in Computer Configuration | Administrative Templates | Windows Components | Windows Update and you can change "Re-prompt for restart with scheduled installations".

There are some other settings you can tweak here, including setting AU to download and notify for install instead of just installing.

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1  
This doesn't work on XP Home either, does it? –  Lucas Jones May 1 '09 at 16:15
2  
Good point about the domain. If WSUS is being used, we're going to hardcode these values via GPO. –  K. Brian Kelley May 1 '09 at 16:24
    
Too right, KBK - long-since have done so for my WSUS/GPO environment. –  Richard Gadsden May 1 '09 at 16:27
    
@Richard: No, I am not in domain. Thank you for specifying that point. –  Sung May 1 '09 at 16:50
    
@person-b No, it doesn't work on XP Home because you don't have the group policy editor. You can hack the registry to the same effect - they way I would do it is to examine the wuau.adm file on an XP Pro machine (in notepad) and work out what the registry keys are. –  Richard Gadsden Aug 3 '09 at 10:24

You can also shut down the Windows update service using the commmand sc stop wuauserv It will restart with your next reboot.

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Will this work for XP too? –  Yuval May 4 '09 at 7:51
    
net stop wuauserv will definitely work on XP –  Richard Gadsden May 8 '09 at 15:25

The equivalent registry data (for Home editions) for the Re-prompt for restart with scheduled installations group policy setting is:

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\windows\WindowsUpdate\AU]
"RebootRelaunchTimeoutEnabled"=dword:00000001
"RebootRelaunchTimeout"=dword:000005a0

For the maximum (in group policy) allowed value of 1440 minutes, or 24 hours.
Can make a .reg file out of this.

Disabling the timeout defaults it to 10 minutes as the group policy information suggests.

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Why not just set the system to download but not install updates. Then the updates will be installed when you shut the system down (if you allow the install)

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