Visual-studio – TF400324: Team Foundation services are not available from server in Visual Studio 2012

tfsversion controlvisual studiovisual studio 2012

When I open my existing solution in Visual Studio 2012 professional, I got the above error. This used to work but something messed up after the computer is rebuilt.

I have installed Visual Studio 2015 Community and can connect to the same
collection correctly.

I also tried to use a browser to connect to the same collection. It works fine also.
Cleaning all files in AppData\Local\Microsoft\Team Foundation\4.0\Cache does not work.
It should not be a firewall or proxy issue since Visual Studio 2015 works.
Anyone knows what is wrong with Visual Studio 2012 and how to fix it?

Edit:

This error can happen with later versions of TFS:

Team Foundation Error

TF400324: Team Foundation services are not available from server TFSServer\DefaultCollection.

Technical information (for administrator):

Unable to connect to the remote server

A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond xxx.xxx.xxx.xxx:443

Best Answer

According to this blog the solution is (and Yes it worked for me)

  1. Close all instances of Visual Studio
  2. Open the Task Manager and check if any TFS Services are running.
    Select each of them and click on End Process Tree
    (in my case I did not find any of them to End)
  3. Browse to the folder %LocalAppData%\Microsoft\Team Foundation\
    and then select the folder with your TFS version and go inside the Cache folder.
    for example, in my machine the path was %LocalAppData%\Microsoft\Team Foundation\7.0\Cache and it should be the same on your machine with the difference of the TFS version folder name.
  4. Delete everything in that Cache folder.
  5. Start Visual Studio and build the project
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