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Editorial Team
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Asked: 2026-05-26T19:40:34+00:00

I’m using the Team Foundation Server API to try to connect to a remote

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I’m using the Team Foundation Server API to try to connect to a remote server.

From within my application, I try to connect to a URL of the form https://some-tfs-location.example.com/tfs but when doing so I get an error TF50309 (discussed here). If I add the project collection to the end of the URL (so the path becomes tfs/101) then I can connect with no problems.

I’d like to try and mimic the behaviour of Visual Studio, where I can give it a URL without needing to specify the project collection and it’ll connect and locate the project collection.

Does anyone have any suggestions which API’s I can use to mimic the Visual Studio behaviour? I had hoped to find the project collection via

TfsTeamProjectCollection ttpc = new TfsTeamProjectCollection(projectRoot.ServerUrl,new MyCredentials());
var projectCollection = ttpc.CatalogNode.FullPath;

But this results in the same TF50309 error code.

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1 Answer

  1. Editorial Team

    You can use the TfsConfigurationServer class with the server Uri that has no team project collection (e.g. http://localhost:8080/tfs), get the ITeamProjectCollectionService service, and use GetCollections method or GetDefaultCollection method to retrieve the collection you want.

    This blog post described it in more details.

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