GetHostByName() Does Not Resolve Computer Name with an IP Address of

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Article ID: 264820 - View products that this article applies to.
This article was previously published under Q264820
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If a Host file (or Lmhosts file) contains a computer name (or INADDR_ANY) with an IP address of, the GetHostByName function returns . on a Microsoft Windows NT 4.0-based computer. However, the function does not resolve the address on a Windows 2000-based computer.


To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
The English version of this fix should have the following file attributes or later:
   Date        Time     Version        Size    File name   
   06/12/2000  09:16pm  5.0.2195.2096  94,480  Dnsrslvr.dll
   06/12/2000  09:26pm  5.0.2195.2096  64,784  Mswsock.dll 
   06/12/2000  09:27pm  5.0.2195.2096  35,600  Rnr20.dll   
   06/12/2000  09:26pm  5.0.2195.2096  22,288  Wsock32.dll 


Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 2.

More information

For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:
249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes


Article ID: 264820 - Last Review: October 26, 2013 - Revision: 4.0
Applies to
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
kbnosurvey kbarchive kbhotfixserver kbqfe kbbug kbfix kbwin2000presp2fix KB264820

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