Unable to gather data for some mailboxes


Insufficient permissions to access room mailbox calendar.


  • Ensure that the user provided in Organization Settings page has Calendar access permission on required room mailboxes.
  • If not, run the following commandlet in Exchange Management Shell:

    Get-Mailbox -RecipientTypeDetails 'RoomMailbox' | Foreach-Object {Add-MailboxFolderPermission $_":\Calendar" -User <user n Org settings page> -AccessRights Reviewer}


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