Microsoft KB Archive/823210

= Windows 2000 Domain Controller Runs Slow or Stops Responding Because of an Active Directory Performance Counter Virtual Memory Leak =

Article ID: 823210

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows 2000 Advanced Server

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SYMPTOMS
Your Microsoft Windows 2000 Server-based domain controller may become slow and unresponsive, and then it may stop responding (hang).



CAUSE
This issue may occur when you set monitoring utilities to poll Active Directory performance counters at frequent intervals. This triggers a virtual memory (VirtualAlloc) leak in the process that loads and unloads the Active Directory performance counter DLL files.



Hotfix Information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, 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
Microsoft Windows 2000 Service Pack 4.

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) 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 02-Sep-2003 10:15  6.1.3940.37  1,115,408  Esent.dll 02-Sep-2003 10:15  6.1.3940.37     41,232  Esentprf.dll 28-Aug-2003 15:01  6.1.3940.37     55,568  Esentutl.exe



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section of this article.



MORE INFORMATION
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, 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

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe kbwin2000presp5fix KB823210

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