It appears that you should deactivate the software on the old machine that will be decommissioned. Then, you'll be able to install then successfully activate on another. Details:
You really should ask this question in the correct forum; seems it's a Creative Suite installation issue, I'd point you to here:
Hope that helps!
Intl Program Manager
Von: Rob Jaworski email@example.com
Gesendet: Mittwoch, 8. Januar 2014 01:10
An: marco kolks
Re: Neuinstallation auf neuem Rechner möglich?