Originally Posted by pokee

I just called Marriott reservations to see if I could get this to work - and YES it did.

I was transferred to an escalated agent, and she had to 'detach/cancel' the certificate attached to the old reservation to release the points.

I have no idea how they are going to get this resolved without manual intervention. Best for anyone waiting for the points to call Marriott to get this resolved. You may have to tell them how to do it - I had to mention this to the agent before she figured it out.