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I've got a WSUS Server setup and when some servers try and get updates they fail with 80072EE2 "Windows Update encountered an unknown error." The Get help link that Microsoft has so generously provided opens the Windows Help and Support which checks the net for ""WindowsUpdate_80072EE2" "WindowsUpdate_dt000"" and comes back with 0 results. Removing the dt000 error does nothing for me.

Everything I've found on the net says it's a network or firewall problem. There's no problem accessing the WSUS server from the network (they are all VMs on the same physical servers). I can browse to the webserver on the WSUS machine and get back the default website.

Other servers at the colo patch them selves just fine.

Windows Firewall is disabled on the machines in question, as are the third party firewalls.

Any ideas what else to check? The machines with the problem are running Windows 2008, as is the WSUS server.

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3 Answers 3

up vote 0 down vote accepted

Update: I would have tried to use process monitor. And see if file/registry access fails around the time of the error. And if possible, compare the output to a server that doesn't fail.

Before update:Check ( and disable ):
anti-virus
anti-spyware

also check temp system environment variable.

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This perticular machine has no anti-virus, or anti-spyware installed. I checked the temp and tmp variables and changed them to c:\temp and rebooted with no change. –  mrdenny Jun 8 '09 at 20:46
    
Sadly it was dumber than this. I didn't ever actually setup the WSUS server. Hence the strange errors when trying to patch. The machines that had patched apparently never got the GPO setting. I feel like a major dufus. –  mrdenny Jun 12 '09 at 7:39

Check your IIS settings to make sure it's not limiting the bandwidth available

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Just Download following Fix for Windows update.

http://go.microsoft.com/?linkid=9767096

Enjoy!

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Can you elaborate on what this fixes? Just providing links as answers is discouraged on SF. –  slm Feb 12 '13 at 5:18

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