Problem: When trying to access any documents located on the Project Portal (a Windows SharePoint site) from Team Explorer, it will fail with the error "Server Unreachable".
Workaround: Open a command window and type:
NET USE \\ServerName\Sites /PERSISTENT:YES
When prompted, provide your user account credentials to create a remote connection to the Project Portal.
Applicability: Visual Studio 2005 Team System December 2004 CTP