Me and Wicked666 compared the bytes (keys?) after the activated DLC's name inside the profile.dap and they were very different. That's why I suppose it's unique, tied to the email or something. The em ...
My game has always been firewalled and I just used the profile.dap from another PC and it worked, I started the stone keep quest from that guy in the camp to confirm it and it actually loaded the stag ...