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The memory usage of the Windows Server 2008 Active Directory Certificate Services (Certsrv.exe) may keep increasing when third-party plug-ins are installed and certificate requests are rejected


View products that this article applies to.

Symptoms

Consider the following scenario:
  • The Active Directory Certificate Service role is enabled on a Windows Server 2008-based computer.
  • Some CA related plug-ins are installed on this computer.
In this scenario, the memory usage of the Certificate service may keep increasing. The computer may stop responding, the computer may crash, or the computer may generate some exception error messages when memory resources are exhausted.

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Cause

This problem occurs because Active Directory Certificate Service does not release allocated memory for certificates and certificate chains when the related certificate requests are rejected.

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Resolution

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 the problem described in this article. 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.

Important Windows Vista and Windows Server 2008 hotfixes are included in the same packages. However, only one of these products may be listed on the “Hotfix Request” page. To request the hotfix package that applies to both Windows Vista and Windows Server 2008, just select the product that is listed on the page.

Prerequisites

To apply this hotfix, the computer must run Windows Server 2008 together with the Certificate Server role enabled.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

Registry information

To use this hotfix, you do not have to make any changes to the registry.

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 2008 file information note

The MANIFEST (.manifest) files and the MUM (.mum) files that are installed for each environment are listed separately. The MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files, whose attributes are not listed, are signed by using a Microsoft digital signature.
Windows Server 2008, x86-based version
File nameFile versionFile sizeDateTimePlatform
Certsrv.exe6.0.6001.22375520,70412-Feb-200905:40x86
Certsvcctrs.hNot Applicable1,72118-Dec-200721:29Not Applicable
Certsvcctrs.iniNot Applicable4,02018-Dec-200721:29Not Applicable
Microsoft-windows-certificateservices-ca-ppdlic.xrm-msNot Applicable4,26912-Feb-200905:09Not Applicable
Windows Server 2008, x64-based version
File nameFile versionFile sizeDateTimePlatform
Certsrv.exe6.0.6001.22375711,16812-Feb-200906:14x64
Certsvcctrs.hNot Applicable1,72118-Dec-200721:29Not Applicable
Certsvcctrs.iniNot Applicable4,02018-Dec-200721:29Not Applicable
Microsoft-windows-certificateservices-ca-ppdlic.xrm-msNot Applicable4,26912-Feb-200905:43Not Applicable

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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.

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More information

For more information about software update terminology, 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

Additional files for all supported x86-based versions of Windows Server 2008

File nameFile versionFile sizeDateTimePlatform
Package_for_kb967696_server_0~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,62212-Feb-200918:41Not Applicable
Package_for_kb967696_server~31bf3856ad364e35~x86~~6.0.1.0.mumNot Applicable1,43012-Feb-200918:41Not Applicable
X86_microsoft-windows-certificateservices-ca_31bf3856ad364e35_6.0.6001.22375_none_db4a550863b76744.manifestNot Applicable34,87412-Feb-200905:58Not Applicable

Additional files for all supported x64-based versions of Windows Server 2008

File nameFile versionFile sizeDateTimePlatform
Amd64_microsoft-windows-certificateservices-ca_31bf3856ad364e35_6.0.6001.22375_none_3768f08c1c14d87a.manifestNot Applicable34,93012-Feb-200906:32Not Applicable
Package_for_kb967696_server_0~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,63212-Feb-200918:41Not Applicable
Package_for_kb967696_server~31bf3856ad364e35~amd64~~6.0.1.0.mumNot Applicable1,43812-Feb-200918:41Not Applicable

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Keywords: kbautohotfix, kbexpertiseadvanced, kbfix, kbsurveynew, kbqfe, KB967696

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Article Info
Article ID : 967696
Revision : 2
Created on : 10/7/2011
Published on : 10/7/2011
Exists online : False
Views : 1317