Article ID: 2424499 - View products that this article applies to.
Microsoft Exchange Server 2007 does not support to assign a mailbox with the "Send on behalf" permission of a security group in the Exchange Management Console (EMC) or in the Exchange Management Shell (EMS).
Note You can assign this permission to a mailbox by adding the security group as a delegate in Microsoft Office Outlook.
To resolve this issue, install the following update rollup:
(http://support.microsoft.com/kb/2407025/ )Description of Update Rollup 2 for Exchange Server 2007 Service Pack 3
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about how to create a security group, visit the following Microsoft website:
How to create a security group
Article ID: 2424499 - Last Review: December 14, 2010 - Revision: 1.0
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