Windows Update Error 800B0100

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I am having that error code while downloading Windows Update files.

Anyone have similar experience with this? I searched around and found all of them related to Windows Vista, not Windows Server.

Here's the screenshot from the server: WinUpdateError

Update (01/08/2009):

I have decided to revisit the problem rerun CheckSUR, and found out the problem came from "CBS MUM Missing" from Windows Update client Self Update.

(f) CBS MUM Missing 0x00000002  servicing\packages\WUClient-SelfUpdate-Core-CoreComp~31bf3856ad364e35~amd64~~7.2.6001.788.mum       
(f) CBS MUM Missing 0x00000002  servicing\packages\WUClient-SelfUpdate-Core-TopLevel~31bf3856ad364e35~amd64~~7.2.6001.788.mum       
(f) CBS MUM Missing 0x00000002  servicing\packages\WUClient-SelfUpdate-Core~31bf3856ad364e35~amd64~~7.2.6001.788.mum

I can't find any KB related to this, any help?

windows-server-2008
windows-update
asked on Server Fault Jun 23, 2009 by Adrian Godong • edited Aug 3, 2009 by Adrian Godong

2 Answers

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From Wikipedia: Windows Server 2008 is built from the same code base as Windows Vista; therefore, it shares much of the same architecture and functionality.

http://support.microsoft.com/kb/956702 mentions a potential fix for Server 2008.

answered on Server Fault Jun 23, 2009 by Doug Chase • edited Jun 23, 2009 by Doug Chase
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I've found that with Server 2008 if I get a Windows update error a reboot usually fixes it. Irritatingly restarting the automatic updates service makes no difference; it has to be a reboot.

JR

answered on Server Fault Jun 23, 2009 by John Rennie

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