Article ID: 278670 - Last Review: June 6, 2007 - Revision: 3.2

Network Load Balancing Hotfix Package

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This article was previously published under Q278670

SYMPTOMS

Several Network Load Balancing hotfixes that were published before February 1, 2001 replace one or more Network Load Balancing .dll files and cannot be applied simultaneously. The hotfix package that is described in this article provides a set of Network Load Balancing .dll files that contain the hotfixes that were published before February 1, 2001.

The hotfix package that is described in this article resolves the following problems:

The Network Load Balancing Windows Management Instrumentation (WMI) provider leaks a significant amount of memory in the WinMgmt process, resulting in 50 megabytes (MB) of memory being leaked in approximately 17 hours.
Modifying a host's Load weight setting in the configuration for Network Load Balancing ends all existing client connections to that host through the virtual IP address.

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RESOLUTION

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 (http://support.microsoft.com/kb/260910/EN-US/ ) How to Obtain the Latest Windows 2000 Service Pack

The English-language version of this fix should have the following file attributes or later:

   Date        Time    Version        Size     File name
   --------------------------------------------------------
   08/26/2000  09:48p                   1,263  Netwlbsm.inf
   08/14/2000  01:16p                 140,051  Wlbs.chm
   08/27/2000  10:24p  5.0.2195.2104   30,992  Wlbs.exe
   05/12/2000  09:19a                  22,642  Wlbs.hlp
   10/24/2000  05:21p  5.0.2195.2553   65,040  Wlbs.sys
   11/15/2000  05:22p  5.0.2195.2104   26,896  Wlbsctrl.dll
   11/15/2000  05:22p  5.0.2195.2489   83,728  Wlbsprov.dll
   09/19/2000  04:17p                  81,108  Wlbsprov.mfl
   08/27/2000  10:24p                  26,024  Wlbsprov.mof

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STATUS

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.

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