Unfortuantely I've have already invited a test user to a subscription. I have two, in fact. One with just Flash Pro and one with the full suite (me). Neither are able to activate their installations without being prompted for a serial number.
Abhijit, I have no host or networking issues. As you can see form above, both users have been invited and have accepted their invitations. I'm not using, nor intend to use the administrator account as one of the licensed users.
Is there anything else you can suggest?
Kamofy01, How were you able to build CS6 packages using CCP? When I tried this, the only ones available were CC downloadable products. I had to use the older AAMEE to build the CS6 packages. I suspect this is part of the problem, but I've followed the instructions to the letter...