Activation Error - Trying to Return a Fulfillment Issued to a Different Machine

Yes

Summary

Error 0 ? Returning Fulfillment ID 12345678 was denied by the Activation Server: Trying to return a fulfillment issued to a different machine

Symptoms

Sometimes, whilst trying to reactivate your InstallShield you may see the error:

"Error 0 ? Returning Fulfillment ID 12345678 was denied by the Activation Server: Trying to return a fulfillment issued to a different machine"

This prompt for reactivation may occur after the product has been installed on the machine for 12 months, if you have changed the date manually or if a change is detected with the machine that affects the InstallShield licence.

Cause

This error can be caused if InstallShield detects a change in the hardware or machine configuration since it was initially activated

Resolution

Please contact Flexera Support with the following information...

The serial number or activation code for the licence that has been affected
What you were trying to do when you received this error (activate, reactivate, return a licence etc.)
If you suspect there may have been a change in the machine's hardware or configuration please explain the circumstances (e.g. product was on a virtual machine which has changed physical host)

Activation Error - Trying to Return a Fulfillment Issued to a Different Machine