Apr 18, 2012

VS 2010 / TFS / Source Control–Unable to Access Database

So somehow I’ve now been bitten by this issue twice in the last few months… so it’s time to post about it (if only for myself) so I can resolve the issue faster next time.

 

In both cases this has occurred after disconnecting from the network and working without connectivity to TFS. After re-establishing connectivity I attempt to open the solution again, and get the error “Source Control – Unable to Access Database”. I’ve tried several things including deleting the workspace, and all local files, recreating the workspace and getting files locally again, but nothing works.

 

So the solution: Close Visual Studio and run regedit. Navigate to:

 

HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\10.0\TeamFoundation\Instances\<server>\Collections\<name>

 

You should see a value named Offline with a value of 1.

 

Modify this to be 0.

 

Restart Visual Studio 2010 and things should run!

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