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GetHostByName function does not return IP addresses in the correct order


View products that this article applies to.

Symptoms

On a Microsoft Windows Server 2003-based computer that has multiple IP addresses, the GetHostByName function does not return IP addresses in the correct order. The first IP address that is returned is the one with the lowest number instead of the primary IP address. Because the ping command uses GetHostByName to resolve a name, you will also see this behavior if you use this command.

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Cause

This problem is caused by a code defect in the Iphlpapi.dll file.

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Resolution

Service pack information

To resolve this problem, obtain the latest service pack for Windows Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
889100 How to obtain the latest service pack for Windows Server 2003

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

No prerequisites are required.

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
Windows Server 2003, 32-bit versions
   Date         Time   Version        Size  File name
   -----------------------------------------------------
   15-Jul-2003  00:30  5.2.3790.68  84,480  Iphlpapi.dll
Windows Server 2003, 64-bit Itanium-based versions
   Date         Time   Version         Size  File name      Platform
   -----------------------------------------------------------------
   15-Jul-2003  00:33  5.2.3790.68  228,864  Iphlpapi.dll   IA-64
   15-Jul-2003  00:30  5.2.3790.68   84,480  Wiphlpapi.dll    x86

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Server 2003 Service Pack 1.

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More information

For more information about Microsoft software updates, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

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Keywords: kbautohotfix, kbqfe, kbwinserv2003sp1fix, kbbug, kbfix, kbqfe, kbwinserv2003presp1fix, kbhotfixserver, KB822713

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Article Info
Article ID : 822713
Revision : 17
Created on : 7/24/2007
Published on : 7/24/2007
Exists online : False
Views : 377