Found this out on the web - hop it helps
To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and informationon support costs, please go to the following address on the World Wide Web:
http://support.microsoft.com/directory/overview.asp The English-language version of this fix should have the following file attributes or later:
Date Time Size File name Platform
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11/22/99 12:50p 178,448 Dns.exe Intel
11/22/99 12:40p 299,280 Dns.exe Alpha
Microsoft has confirmed this to be a problem in the Microsoft products listed at
the beginning of this article.
MORE INFORMATION
Microsoft DNS has been changed to check for invalid referrals. The logging level of the event has been changed from an error to a warning. Additional query words: ns rr
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Keywords : modWFDesigner kbbpqfe1a
Technology : kbWinNTsearch kbWinNTSsearch kbWinNTSEntSearch kbWinNTS400sp6 kbWinNTS400sp5 kbWinNTS400sp4 kbWinNTS400Search kbNTTermServSearch
Version : winnt:4.0 SP4,4.0 SP5,4.0 SP6
Platform : innt
Hardware : ALPHA x86