ASP.NET 4 Website Fails to Start on Your TFS 2010 Server?

Posted by jdanforth on ASP.net Weblogs See other posts from ASP.net Weblogs or by jdanforth
Published on Thu, 22 Apr 2010 20:20:39 GMT Indexed on 2010/04/22 20:23 UTC
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Getting a “Could not find permission set named ‘ASP.Net’” error on your TFS 2010 server? It may have to do with the fact you’re trying to run ASP.NET as a child site of a SharePoint Web Site. The problem is described in the “ASP.NET 4 braking changes” site:

 

This error occurs because the ASP.NET 4 code access security (CAS) infrastructure looks for a permission set named ASP.Net. However, the partial trust configuration file that is referenced by WSS_Minimal does not contain any permission sets with that name.

Currently there is not a version of SharePoint available that is compatible with ASP.NET. As a result, you should not attempt to run an ASP.NET 4 Web site as a child site underneath SharePoint Web sites.

 

There is a workaround you could try by setting this in your web.config, if you know what you’re doing:

<trust level="Full" originUrl="" />

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