Reputation: 105
Unable to connect to the controller on 'MachineName:6901'. Cannot communicate with the Controller due to version mismatch
We are using "TFS 2012 Update3", "Visual Studio 2012 Premium Update4" and "TFS Test Agent and Controller 2012 Update4", I have installed TFS Controller, Agent and VS 2012 premium on same machine and TFS server is on another server machine. I am getting "Unable to connect to the controller on 'MachineName:6901'. Cannot communicate with the Controller due to version mismatch" error.
Upvotes: 1
Views: 1689
Answers (2)
Reputation: 1885
I had this issue and restarted the box which magically fixed things. There was nothing to indicate I needed to do this.
Upvotes: 0
Reputation: 4787
Why would your build client, be in front of its server version?
I would downgrade your build client to update 3 (same version as TFS Server).
Visual studio is ok to be upgraded, without affecting TFS build.
Upvotes: 2
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