Get-UnifiedGroup groupname@xyz.com | fl emailaddresses
Set-UnifiedGroup –Identity groupname@xyz.com –EmailAddresses @{Add="groupname@xyz.mail.onmicrosoft.com"}
Force create room mailbox on on-prem hybrid setup
Enable-mailuser -identity Room01 -ExternalEmailAddress Room01@xyz.mail.onmicrosoft.com
Enable-RemoteMailbox -identity Room01 -RemoteRoutingAddress Room01@xyz.mail.onmicrosoft.com
Set-RemoteMailbox -Identity Room01 -Type Room
Mailbox Auto mapping off
Add-MailboxPermission -Identity user1@xyz.com -User user2@xyz.com -AccessRights FullAccess -AutoMapping $false
Disable Outlook "Do not send response" meeting response option
HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Options\Calendar
DWORD: ForceMtgResponse
Value: 1
You'll need to restart Outlook after setting this key.
Administrators can add the key using Group Policy.
HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\16.0\Outlook\Options\Calendar
DWORD: ForceMtgResponse
Value: 1