Yes, check TFSSecurity tool and help at http://g.msn.com/9SE/1?http://msdn2.microsoft.com/en-us/library/ms252504.aspx&&DI=293&IG=a7217751e34f4450836f6b002b422e8d&POS=1&CM=WPU&CE=1&CS=AWP&SR=1
Thanks. I had entirely forgotten about that command but was really wondering in regards to a load from the the xml templates. But I don't believe there is. It's easy enough to build a script using the TFSSecurity command.