Close all VS 2013 instances
Open registry editor and go to:
KEY_CURRENT_USER\Software\Microsoft\VisualStudio\12\TeamFoundation\Instances\XXXX_This one will different based on your connection\Collections\You will some default connection
Click on "Offline"
Set value as 0
Open solution in VS. Afterwards pop up should appear which question would you like bring solution to online mode
If you are working with VS 2010
KEY_CURRENT_USER\Software\Microsoft\VisualStudio\10\TeamFoundation\Instances\XXXX_This one will different based on your connection\Collections\You will some default connection
Open registry editor and go to:
KEY_CURRENT_USER\Software\Microsoft\VisualStudio\12\TeamFoundation\Instances\XXXX_This one will different based on your connection\Collections\You will some default connection
Click on "Offline"
Set value as 0
Open solution in VS. Afterwards pop up should appear which question would you like bring solution to online mode
If you are working with VS 2010
KEY_CURRENT_USER\Software\Microsoft\VisualStudio\10\TeamFoundation\Instances\XXXX_This one will different based on your connection\Collections\You will some default connection