- You are working in a Microsoft Office 365 dedicated/ITAR environment.
- This environment uses Microsoft Exchange Server 2010 or a later version.
- In Microsoft Outlook, you try to add a delegate to a resource, a shared mailbox, or another user's mailbox.
The “send on behalf” permission isn't applied because of the new permissions model that was introduced in Exchange Server 2010.
online submission or by telephone.
If the delegate who is added requires folder-level permissions to the mailbox, you can still manage these permissions in Outlook or by using Windows Remote PowerShell.
For more information about the permissions model in Exchange Server 2010, see the "Management role assignment policies" section in the following TechNet topic:
Article ID: 2545238 - Last Review: Sep 11, 2015 - Revision: 1