Reverse Lookups with BIND Earlier Than 4.8.3 Fail with Unknown Host Error Message (184881)

The information in this article applies to:

Microsoft Windows NT Server 4.0 Terminal Server Edition
Microsoft Windows NT Server 4.0
Microsoft Windows NT Workstation 4.0
Microsoft Windows NT Server, Enterprise Edition 4.0

This article was previously published under Q184881

SYMPTOMS

If an application uses a version of BIND earlier than version 4.8.3 to do a reverse lookup to identify a client, it may receive the following error message:

Unknown Host

CAUSE

Microsoft Domain Name System (DNS) servers do not have an equivalent to a BIND directive called fake-iquery. If old BIND clients use Microsoft DNS servers, the NSLOOKUP fails.

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.

Modification Type:	Minor	Last Reviewed:	9/23/2005
Keywords:	kbHotfixServer kbQFE kbbug kbfix kbQFE KB184881