You cannot send a message to a Dynamic Distribution Group in a mixed Exchange Server 2007 and Exchange Server 2010 environment

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Article ID: 979517 - View products that this article applies to.
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SYMPTOMS

In a mixed Microsoft Exchange Server 2007 and Microsoft Exchange Server 2010 environment, a message that is sent to a Dynamic Distribution Group fails. Additionally, you receive the following non-delivery report (NDR) message:

......
<Recipient address>
#550-5.7.1 Delivery not authorized, message refused. 550-5.7.1 Message targeted to organization's federated delivery mailbox. 550 5.7.1 Please contact your system administrator for more information. ##
......

Note The NDR includes "DiscoverySearchMailbox" and "FederatedEmail" system mailboxes. This is unexpected. If you view the members that appears in the Dynamic Distribution Group by using Exchange Management Console, the system mailboxes are not listed. However, if you view the members that appears in the Dynamic Distribution Group by using Exchange Management Shell, the system mailbox are listed. If the Dynamic Distribution Group is expanded on an Exchange Server 2007 server, the NDR is generated for all the Exchange Server 2010 recipients. If the Dynamic Distribution Group is expanded on an Exchange Server 2010 server, the NDR is only generated for the DiscoverySearchMailbox system mailbox.

CAUSE

This problem occurs because Exchange Server 2010 does not exclude system mailboxes from a Dynamic Distribution Group.

RESOLUTION

To resolve this problem, install the following update rollup:
982639 Description of Update Rollup 4 for Exchange Server 2010

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information about how to view members of a Dynamic Distribution Group, visit the following Microsoft website:
General information about how to view members of a Dynamic Distribution Group 

Properties

Article ID: 979517 - Last Review: June 18, 2010 - Revision: 2.0
APPLIES TO
  • Microsoft Exchange Server 2010 Enterprise
  • Microsoft Exchange Server 2010 Standard
Keywords: 
kbhotfixrollup kbsurveynew kbexpertiseinter kbqfe kbfix KB979517

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