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Microsoft KB Archive/173676

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Knowledge Base


Client Cannot Resolve MX Record via Microsoft DNS Server

Article ID: 173676

Article Last Modified on 11/1/2006



APPLIES TO

  • Microsoft Windows NT Server 4.0, Terminal Server Edition
  • Microsoft Windows NT Server 4.0 Standard Edition



This article was previously published under Q173676

SYMPTOMS

When you use a Microsoft Windows NT version 4.0 Domain Name Service (DNS) server, your clients may not be able to successfully resolve mail server names to IP addresses.

CAUSE

The DNS client is sending a recursive query to the Microsoft DNS server, which is forwarding that query to a BIND-based DNS server. Some BIND-based DNS servers return a Start of Authority (SOA) record with a Responsible Authoritative Mailbox field instead of a Mail eXchange (MX) record. If the authoritative DNS server for the domain in which the mail server resides is one of these BIND-based DNS servers, the Microsoft DNS server will not return that record to the client.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack




STATUS

Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.

Keywords: kb3rdparty kbbug kbfix kbnetwork KB173676