IIS7 binding to subdomain causing authentication errors (TFS 2010)

Posted by Tommy Jakobsen on Server Fault See other posts from Server Fault or by Tommy Jakobsen
Published on 2010-04-20T18:14:00Z Indexed on 2010/04/20 18:44 UTC
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I'm trying to bind a IIS web site (Team Foundation Services 2010) to a subdomain, which is causing authentication errors. First I'll explain what I've done to set it up. This is the fist time I do this, so please correct me if I'm wrong.

The web server is a stand-alone Windows Server 2008 R2 x64, running IIS7 with .NET Framework 4.

I have the following A-records, pointing to my server:

  • server.mydomain.com
  • *.server.mydomain.com

So all subdomains of server.mydomain.com points to the server. In IIS7 I have a web site (TFS 2010) on port 8080, with a virtual directory (named tfs) that is using Windows Authentication.

I have one binding on the web site pointing to all unassigned IP addresses, port 8080 and having a host name of tfs.server.mydomain.com.

Now, shouldn't I be able to access the virtual directory through:

http://tfs.server.mydomain.com/tfs

That is not working. However, I can access it through:

http://tfs.server.mydomain.com:8080/tfs

But, it won't let me authenticate using a Windows account (Server\Username). A windows account that I can authenticate with, when accessing the site through http://localhost:8080/tfs.

What am I missing here?

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