saucer(思归) ( ) 信誉:411
This problem occurs because data in the local cache is not updated when the team project is deleted.
Workaround: Restart Visual Studio on the computer where you experience this issue. Or reset IIS on the application-tier computer by running iisreset at the Command Prompt window
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说的很清楚啦
Visual Studio 2005 Team Foundation Server Known Issues
http://msdn.microsoft.com/vstudio/teamsystem/tfsknownissues.aspx
4.3 Team Foundation Build operations fail when a team project is deleted and created again with the same name.
Details: If you delete an existing team project on Team Foundation Server, and then create a new team project with the same name, you will be unable to create new build types. This problem occurs because data in the local cache is not updated when the team project is deleted.
Workaround: Restart Visual Studio on the computer where you experience this issue. Or reset IIS on the application-tier computer by running iisreset at the Command Prompt window