Error: The Team Foundation Server ” is currently unavailable. This solution will be opened offline.
Description: Go Offline. The Team Foundation Server ” is currently unavailable. This solution will be opened offline. This offline check will happen when we open a solution from Visual Studio that was mapped with the TFS server. The server might not be reachable or not available at that point to synchronize with your local solution copy.
Solution: Visual Studio will allow the solution to be opened or access while offline and once the TFS connection got re-established the synchronization
can be done by clicking on “Go Online” icon from Solution Explorer tool bar window.