How to: Configure Offline Support in Team Foundation to be Solution-based
You can configure your local computer to determine the offline status of solutions independent of the offline status of the servers to which the solutions are bound.
Improperly modifying your computer's registry could cause your computer to become unstable. If you are not familiar with the Windows Registry, you should not add or remove entries, or modify it in any way.
To complete these procedures, you must have Windows Administrator permissions set to Allow on the computer where you are running Visual Studio 2008.
To turn off server-based offline support
On the computer where you are running Visual Studio 2008, click Start, click Run, type regedit, and then click OK.
In the browser pane, expand the HKEY_CURRENT USERS to HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\9.0\TeamFoundation\SourceControl.
Right-click SourceControl, click New, and then click String Value.
In the Name field, type IgnoreServerBasedOfflineFlags.
Right-click IgnoreServerBasedOfflineFlags and then click Modify.
The Edit String dialog box appears.
In the Value data field, type True, and then click OK.