PLEASE HELP!" I own two Xbox 360 consoles and my "Battlefield 3 Premium Edition" won't play on my 2nd Xbox.

Hi,
    Why won't  my "Battlefield 3 Premium Edition" play on my other Xbox?

   One at residence and one at my place of business. For Christmas, I purchased myself  "Battlefield 3 Premium Edition" and installed all the maps and Premium Edition feature on my Home Xbox system... and it’s all good and all works fine on that system. But when I try to play Battlefield 3 on my Business Xbox... First I had to pay 800 Xbox points just to access the online gaming mode. And all my Premium features and Maps still aren’t available. So I tried to re-enter my Premium Edition code on that business Xbox (to unlock and re-down load my maps) But it responses that my Code is already used.

Can anyone tell me what's going on here? Do I have to pay two times ($$$) just to play my "Battlefield 3 Premium Edition" at work?

Thanks

Derek