After doing this a few times I thought I'd write down the process: Goto the folder containing the solution files and delete the following: mssccprj.scc MyProject.vssscc vssser.scc Open the MyProject.sln in your text editor and remove the following section: GlobalSection(SourceCodeCon... = preSolution ... EndGlobalSection Goto the folder(s) containing the project files and delete the following: MyProject.vbproj.vspscc mssccprj.scc vssver.scc Open the *.proj file(s) and remove the following: SccProjectName...