NTS: Always install the TFS Power Toolshttp://blogs.msdn.com/b/reedme/archive/2009/07/09/nts-always-install-the-tfs-power-tools.aspxOr you’ll wind up with: TF10139: The following check-in policies have not been satisfied. Internal error in Changeset Comments Policy Well, you will whenever somebody else installs them on the TFS server and enables the Changeset Comments Policy... Seeen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)