We run TFS 2008 and Visual Studio 2010B2 (as with any Beta, errors are predominant).
Below are the errors given (from the build log):
Task "DeleteWorkspaceTask" 
DeleteWorkspaceTask 
TeamFoundationServerUrl="http://dev-svr:8080/" 
BuildUri="vstfs:///Build/Build/1679" 
Name="**ALICE_3_**" 
DeleteLocalItems=True 
TF14061: The workspace **ALICE_3_**;HELLO\TFSservice does not exist. 
Done executing task "DeleteWorkspaceTask". 
Task "DeleteWorkspaceTask" skipped, due to false condition; 
( '$(SkipInitializeWorkspace)'!='true' and ('$(CleanCompilationOutputOnly)' == 'true' or '$(SkipClean)' == 'true') ) 
was evaluated as ( 'false'!='true' and ('false' == 'true' or 'false' == 'true') ). 
Using "CreateWorkspaceTask" task from assembly 
"C:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE\PrivateAssemblies\Microsoft.TeamFoundation.Build.Tasks.VersionControl.dll". 
Task "CreateWorkspaceTask" 
CreateWorkspaceTask 
TeamFoundationServerUrl="http://dev-svr:8080/" 
BuildUri="vstfs:///Build/Build/1679" 
Name="**ALICE_3_**" 
BuildDirectory="c:\builds\science\SCIENCE\AB" 
SourcesDirectory="c:\builds\science\SCIENCE\AB\Sources" 
Comment="Workspace created by Team Build" 
C:\Program Files\MSBuild\Microsoft\VisualStudio\TeamBuild\Microsoft.TeamFoundation.Build.targets(796,5,796,5): 
error : The path c:\builds\science\SCIENCE\AB\Sources is already mapped in workspace **ALICE_3**. 
[c:\builds\science\SCIENCE\AB\BuildType\TFSBuild.proj]
Any input would be appreciated, as this area of development isn't my forte.
Regards, Matt
 
     
     
    