Hi Dave -
The license is based on the MAC address of the system, so once you migrate to the new server- it will have a new MAC address and hence your old license becomes void.
You can reset the hardware address at: https://www.xeroxlicensing.xerox.com/activation/
If you are having trouble resetting the license, please call into Xerox Support 800-821-2797
Hope this helps -- JT
Moving to a new server. I need to expire the old license so that I can apply it to the new server and I am not finding a way to do it. Activatation portal only lets me retrieve the current license. Using the serial number and activation key on the new server only produces an error. Can anyone inform me of what is necessary to accomplish this??