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Use a USB license dongle that will act as the MachineID (it may not work on virtual servers)
Use an alternate method of generating the MachineID that is not based on the MAC address
Click here to downloadgo to our Download resources page for a utility that will generate a MachineID based on the HDD ID of the Windows installation, this should not change unless you reinstall Windows.
We recommend using the “4- MachineID Exchange Utility (Alternative - HDD based)”
When you run this utility, it will give you a MachineID starting with 4-xxxxx.
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This should stop any issues related to the PC's MAC address of the PC from changing.