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A Windows 2000-based domain controller has a memory leak in the Wmiw paged pool tag

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A Microsoft Windows 2000-based domain controller may experience a memory leak in the Wmiw paged pool tag in the kernel mode memory. This symptom occurs if the following conditions are true:
  • The domain controller is running a DNS server that is pointed to itself as either the preferred or the alternate DNS server.
  • The domain controller is replicating with at least one other domain controller in the domain.
  • Windows Management Interface (WMI) event tracing APIs are turned on in the domain controller.
Note All components of Windows 2000 Server mark allocated memory blocks with unique tags. The tags are used for monitoring allocated memory. The Wmiw tag identifies a paged pool buffer that is used for event notification. The leak in the paged pool may be at the rate of one allocation per three hours. The size of the allocation is 4,096 bytes.

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.

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, submit a request to 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.


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.
   Date         Time   Version         Size       File name   -----------------------------------------------------------   10-Feb-2004  19:47  5.0.2195.6897      30,160  Mountmgr.sys   14-Sep-2004  13:00  5.0.2195.6974   1,704,128  Ntkrnlmp.exe   14-Sep-2004  13:00  5.0.2195.6974   1,703,808  Ntkrnlpa.exe   14-Sep-2004  13:00  5.0.2195.6974   1,725,568  Ntkrpamp.exe   14-Sep-2004  13:00  5.0.2195.6974   1,680,896  Ntoskrnl.exe
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For additional information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:
816915 New file naming schema for Microsoft Windows software update packages
For additional information about the standard terminology that is used to describe 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

Article ID: 822849 - Last Review: 10/26/2013 19:00:50 - Revision: 1.5

Microsoft Windows 2000 Server, Microsoft Windows 2000 Advanced Server

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