Category Archive: Network

Feb 15

WSUS Client getting 80244018 errors

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As always it is hard to find out what these darn error messages means. Lately I was getting this error message when I tried to update Windows machines that where connected to my WSUS server: As always I started with the WindowsUpdate.log, but nothing there. Then I browsed through the Event Viewer. Nothing there either. …

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Jan 28

NPS Server: A certification chain processed correctly, but one of the CA certificates is not trusted by the policy provider

We got this “denied connection” messages on the NPS server when clients tried to connect to WIFI. It was a new established WIFI and NPS server, and I was contacted because it actually should been working:). I off course checked the Trusted Root Certification Authorities and Intermediate container. I was surprised that this was populated …

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Sep 27

Strange DNS issue with domains like .co.uk, .cn and .br on 2008 and 2008 R2 DNS servers

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I have seen this many times, but have not taken the time to troubleshoot before nowJ I have often heard from customers that they have problems to send e-mails and web browsing to domains like .co.uk, .cn, and .br (not limited to these domains). This is usually related to DNS, and a clear cache/restart of …

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Mar 22

Windows 2008 R2 Terminal server stops responding after Outlook attachment error

I experienced a very strange issue on a Windows 2008 SP1 R2 Terminal Server. When a user attached an attachment from a network share in Outlook 2010, a dialog box came up stating the attachment was downloading. Outlook was slow, and both Outlook and Explorer.exe was getting “application errors”. The server was slower and slower, …

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