Got the following from Al Maha:
Greetings from Al Maha, a Luxury Collection Desert Resort & Spa!Glad to re-confirm your booking with hotel confirmation number XXXXXX Please be informed that you will see changes as the reservation is migrated to Marriott however the booking is still on Points redemption. Kindly be informed that there will be no extra charges will be paid for accommodation.
For those that don't want to spend time on the phone chatting with Marriott agents who were working at McDonald's last week, you can reach them at
[email protected]. I will post the email in the Al Maha thread.