This article was previously published under Q282298
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If some members of a distribution list have distinguished names (also known as DNs) that are the same length and that include the Japanese-language double-byte character set (DBCS) characters, you may receive the following non-delivery report (NDR) when you send a message to the distribution list:
Your message did not reach some or all of the intended recipients.
Subject: Subject Sent: Sent_Date
The following recipient(s) could not be reached:
Member_DN_1 A configuration error in the recipient's e-mail system prevented delivery of this message. Two recipients are configured with the same e-mail adress. Contact your administrator.
To resolve this problem, obtain the latest service pack for Microsoft Exchange 2000 Server. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
301378 XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack
The English version of this fix should have the following file attributes or later:
To work around this problem, use the single-byte character set (SBCS) for the logon name.
Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server. This problem was first corrected in Microsoft Exchange 2000 Server Service Pack 1.