How to display information of person who booked room on Outlook Calendar?

Question

Hello, I am experiencing this issue of not being able to view the information of the person who booked a room using Outlook Calendar. It is only stated as 'Busy'. However, my colleague is able to see the name of the person who booked the room. What can I do so that everyone is able to see the name of the person who booked the room? Is it a permissions issue and if yes, how can I modify the settings so that I provide this with the least privilege? I have shared screenshots showing the different views of the calendar from my and my colleague's point of view. Thank you for your assistance.

Answer 1

This is controlled by the permissions on the Calendar folder. Namely, the user will need to have "LimitedDetails" or equivalent permission in order to be able to see this information. If you want to ensure that all users in the tenant will be able to see it, you can use the following:

Set-MailboxFolderPermission -Identity RoomName -User Default -AccessRights LimitedDetails

And if you want to configure this on all rooms, use this:

$calendars = Get-Mailbox -RecipientTypeDetails RoomMailbox | Get-MailboxFolderStatistics -FolderScope Calendar | ? {$_.FolderType -eq "Calendar"} | select @{n="Identity"; e={$_.Identity.ToString().Replace("\",":\")}}
$calendars | % {Set-MailboxFolderPermission -Identity $_.Identity -User Default -AccessRights LimitedDetails} 

Answer 2

Its enough to give Limited Access just to the calendar not to the full mailbox.

 Set-MailboxFolderPermission -Identity "******@domain.com:\Calendar" -User Default -AccessRights LimitedDetails