Windows Server 2003-based NLB nodes in an NLB cluster cannot communicate with each other over an NLB network adapter (843213)


The information in this article applies to:

  • Microsoft Windows Server 2003, Standard Edition
  • Microsoft Windows Server 2003, Web Edition
  • Microsoft Windows Server 2003, Enterprise Edition
  • Microsoft Windows Server 2003, Datacenter Edition
  • Microsoft Windows Server 2003, Datacenter Edition for Itanium-based Systems
  • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems

SYMPTOMS

Consider the following scenario. You have some Microsoft Windows Server 2003-based Network Load Balancing (NLB) nodes. These NLB nodes are in an NLB unicast mode cluster. In this scenario, these NLB nodes cannot communicate with each other over an NLB network adapter.

Note In this scenario, a node is the computer that is in the NLB cluster.

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 now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows Server 2003 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

No prerequisites are required.

Restart requirement

You have to restart the 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 item in Control Panel.Windows Server 2003, x86-based versions
File nameFile versionFile sizeDateTimePlatform
Wlbs.sys5.2.3790.184175,10422-Jun-200415:59x86
Wlbsprov.dll5.2.3790.184136,19223-Jun-200417:55x86
Windows Server 2003, Itanium-based versions
File nameFile versionFile sizeDateTimePlatformService branch
Wlbs.sys5.2.3790.184397,82421-Jun-200411:36IA-64Not Applicable
Wlbsprov.dll5.2.3790.184424,44823-Jun-200402:56IA-64Not Applicable
Wwlbsprov.dll5.2.3790.184136,19223-Jun-200402:56x86WOW

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information, 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

Modification Type:MinorLast Reviewed:10/3/2006
Keywords:kbBug kbfix kbQFE kbWinServ2003preSP1fix kbhotfixserver kbpubtypekc KB843213 kbAudEndUser kbAudITPRO
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