You don t need to recreate them.
Exchange online meeting room permissions.
To use room or equipment mailboxes open outlook from your computer or sign in to outlook on the web.
When you try to use resource booking to schedule a resource in microsoft exchange online such as a conference room by using microsoft outlook you may notice the following behavior when resource booking isn t successful.
Reviewer rights to the calendar will also work.
Get mailbox and set mailbox cmdlets to view and change general properties and email addresses for room mailboxes.
The resource doesn t respond correctly to meeting requests.
Use the exchange management shell to change room mailbox properties.
Use the following sets of cmdlets to view and change room mailbox properties.
Schedule a new meeting and add the room or equipment to the meeting like you would when inviting other employees or customers.
You may already have created distribution groups in the past that contain your conference rooms.
However administrators who have the organization management or recipient management management roles may configure the calendar settings for users by using this cmdlet.
On the home tab choose new items meeting.
Have you tested using owa or outlook to ensure your account does indeed have permissions to the mailbox.
Open outlook on your computer.
We can convert them quickly into a room list.
Use the get calendarprocessing and set calendarprocessing cmdlets to view and change delegates and booking options.
Is the script connecting to the on prem exchange or exchange online.
This example converts the distribution group building 34 conference rooms to a room list.
Exchange server 2010 exchange server 2013 exchange server 2016 exchange server 2019 exchange online scheduleonlyduringworkhours the scheduleonlyduringworkhours parameter specifies whether to allow meetings to be scheduled outside of the working hours that are defined for the resource mailbox.
When you want to run this against meeting rooms in exchange online please use this script instead.
You need to be assigned permissions before you can run this cmdlet.
You ve now reserved it.
The resource doesn t automatically respond to meeting requests.