Microsoft KB Archive/288718

= XIMS: Message Cannot Be Sent to Domains with MX Record That Points to IP Address =

Article ID: 288718

Article Last Modified on 2/20/2007

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APPLIES TO


 * Microsoft Exchange 2000 Server Standard Edition

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This article was previously published under Q288718





SYMPTOMS
If you configure the Simple Mail Transfer Protocol (SMTP) virtual server to use an external Domain Name System (DNS) server in the Advanced Delivery dialog box, messages to some domains may remain in the SMTP queue, and the queue status message may indicate the following:

The remote server did not respond to a connection attempt.



CAUSE
This problem can occur because domains that are configured as described in the &quot;Symptoms&quot; section of this article have a mail exchanger (MX) record that points to an Internet Protocol (IP) address on the DNS server. Although the IP address belongs to a valid host, Exchange 2000 Server does not process the DNS query result correctly in such a scenario.



RESOLUTION
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:

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:

Component: Transport Core



STATUS
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.

Keywords: kbbug kbexchange2000presp1fix kbfix kbqfe KB288718

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