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Microsoft KB Archive/251728

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Knowledge Base

XFOR: No NDR Generated When You Send to a Distribution Group That Contains Non-Mail-Enabled Users

Article ID: 251728

Article Last Modified on 2/22/2007


  • Microsoft Exchange 2000 Server Standard Edition

This article was previously published under Q251728


When you attempt to send a message to a Microsoft Exchange 2000 Server Distribution Group that contains Windows users who are not mail-enabled (who do not have an Exchange 2000 account), you do not receive a non-delivery report (NDR).


In Exchange 2000, Microsoft Windows NT security groups are mailable. Not all entities within a security group have to be mail-enabled. If an object is not mail-enabled, there is no address for the object. If an object has no address, no attempt is made to deliver to the account, and without an attempt to deliver, there can be no NDR.


This behavior is by design.

Keywords: kbbug kbnofix KB251728