Having recently deployed Exchange 2013, we discovered that you can no longer give a security group access to a mailbox using the Gui (Exchange Admin Center). As you can see this Test group is not available for selection in the Exchange Admin Center:



You can select a mail-enabled security group, but a standard security group requires powershell.

1. Open Exchange Management Shell on your Exchange Server or workstation

2. Run the following command:

Add-MailboxPermission -Identity “sharedmailboxname” -User “domain\group” -AccessRights Fullaccess -InheritanceType all

You can run the following to command to verify the permissions are set:

Get-MailboxPermission -Identity “MailboxID”





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