Originally Posted by Hawkeye
Since you can't return the 100,000 miles, I don't believe they would recredit the full amount of points. I would try calling the hotel to see if they would take one 7-night award instead of two 3-night awards -- maybe they would bend the rules for a Platinum.
I tried doing that with both the hotel and Marriott Rewards Reservations, but it is clear that this cannot be done.