We are using office 365 and exchange online and use outlook for users to book meeting room, by sending email to the specified room number. Normally user just need to initiate a new meeting, then find the room, send out the meeting appointment, then user will receive an email saying the booking is accepted or rejected (if conflict).
This works for most of our meeting rooms, however we have a few meeting rooms behaved differently. There was no email replied to the user, and the status remains tentative (which means the room was not accepted or rejected). We've checked on the settings from exchange online, but didn't see any obvious differences. Any idea what areas we can look into and locate the root cause?
Any idea would be really helpful! Thanks a lot!