Windows 7 and Windows 2008 R 2 server patches error 800b0001

We have a environment of Windows 2008 Server R2 and 100 clients of Win 7 SP1 Enterprise. Patches are deployed using WSUS. I have approved recent security patches and when i check for Updates manually or automatically it fails in all the client with error. 800b0001. 1 hour 52 minutes ago. Reply.

Windows 2008 VPS via Windows 7 and Windows 2008 R 2 server patches error 800b0001.