joefitzgerald/packer-windows — pull request #39 by chappoo (2014-03-05 11:30:17+00:00)
Title: Unattended setup files have incorrect key element

Not a drastically important one, but the product keys need to be declared in a element, as per http://technet.microsoft.com/en-us/library/cc721925(v=ws.10).aspx. I was getting blocked during setup without.

Hope that helps!