Article ID: 316204 - View products that this article applies to.
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When the Forward all messages with unresolved recipients to host option is set on a virtual server, if you send a message to an unknown EX or X500 address similar to the following
[EX:/o=org/ou=AG1/cn=recipients/cn=xxxx]an event ID 4000 is written to the Application event log with the following error:
Handle file is invalidOther unresolved messages may also back up in the queue.
An example of this scenario may be when a user replies to an old mail message from another user who has been recreated or migrated, and who no longer has the same legacyExchangeDN or X.500 proxy address.
The RCPT TO command is not issued to the remote host because the recipient has not been encapsulated in SMTP format.
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 the Microsoft Knowledge Base:
301378The English version of this fix should have the following file attributes or later:
(http://support.microsoft.com/kb/301378/EN-US/ )XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack
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NOTE: Due to file dependencies, this update requires Microsoft Exchange 2000 Server Service Pack 2.
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 3.