Room mailbox not sending approval to organizer

Question

Room mailbox not sending approval to organizer

Sílvia Carmen 96

We have an hybrid environment using O365 with exchange online and Exchange Server 2016 on prem. I went to Exchange 365 Admins Centre and created a resource room mailbox and made myself a delegate to the room. this means I have to approve all the meeting room requests, which is exactly what I am looking for. When someone schedules a meeting to that room, I do receive an email asking for meeting approval and the person who requested the meeting receives an email from the meeting room saying approval pending. However, once I approve the meeting, the organizer does not receives any notification saying the meeting was approved. Is there something I am missing? Any help is appreciated. Thanks in advance.

Kai Yao 37,776 Reputation points Moderator

2021-03-31T08:21:13.497+00:00
Hi, @Sílvia Carmen

Since the room mailbox is created in Exchange 365 Admins Center, are the organizer's mailbox and your mailbox both on cloud?

And did the organizer receive an email from the room mailbox saying "Your request was received and is pending approval." when he sent out the meeting request?

Also please run this command via Exchange online powershell to check the settings of the room mailbox:

Get-Calendarprocessing -identity <room mailbox name> | fl

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Kai Yao 37,776 Reputation points Moderator

2021-03-31T08:21:13.497+00:00

Hi, @Sílvia Carmen

Since the room mailbox is created in Exchange 365 Admins Center, are the organizer's mailbox and your mailbox both on cloud?

And did the organizer receive an email from the room mailbox saying "Your request was received and is pending approval." when he sent out the meeting request?

Also please run this command via Exchange online powershell to check the settings of the room mailbox:

Get-Calendarprocessing -identity <room mailbox name> | fl

Answer 1

Sílvia Carmen 96

Thanks KaelYao-MSFT, if figured it out!

The problem was I have created the room resource in Exchange on-prem and not on the cloud.
So, yesterday I deleted it and created again but in Exchange O365 Admin Center on the cloud and now it's working as expected.

Thank you so much.

Kai Yao 37,776 Reputation points Moderator

2021-03-31T09:37:37.237+00:00

Hi,
Glad to hear the issue has been resolved!
And thanks for your sharing.

I have converted your reply to an answer.
Please feel free to mark it as the answer to the question to help other community members.

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Answer 2

Sean Bradley 0

Kael's answer sent me in the right direction. I found that the parameter "TentativePendingApproval"was set to True.

Once I ran this command, everything worked as planned:

Set-Calendarprocessing -identity <room mailbox name> -TentativePendingApproval $False

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Room mailbox not sending approval to organizer

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