Ondrej Žilinec – IT Blog

Today I had problem on one server Windows Server 2008 R2. This server logged error 800B0001 with Windows Update Client:

When I looked at event viewer I saw same error:

and WindowsUpdate.log logged following:

I knew about one issue which is described in this article. But this article didn’t help. When I looked for file C:\Windows\SoftwareDistribution\SelfUpdate\wuident.cab, I found out there isn’t such a file. I copied this file from other server Windows Server 2008 R2 and now everything works fine 🙂

So in Microsoft world .cab file is not trusted if it doesn’t exist! 😀 Coool.