You may experience a system memory leak of private bytes in the Winlogon.exe process on a computer that is running Windows XP or Windows Server 2003

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Article ID: 912354 - View products that this article applies to.
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SYMPTOMS

You may experience a system memory leak of private bytes in the Winlogon.exe process on a computer that is running Microsoft Windows XP or Microsoft Windows Server 2003. When this occurs, the operating system becomes unresponsive and must be restarted.

Note In some cases, the Windows Product Activation window may pop up and prompt you to activate the system even after you have completed the activation.

CAUSE

If you do not log on the computer, a system memory leak may occur. Over time, the operating system may leak memory in the Winlogon.exe process at a rate of approximately 1 to 2 megabytes (MB) an hour.

RESOLUTION

Microsoft Windows XP

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. 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:
http://support.microsoft.com/contactus/?ws=support
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.
Prerequisites
To apply this hotfix, you must have Windows XP Service Pack 1 (SP1) or Windows XP Service Pack 1 (SP2) installed on your computer.
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 item in Control Panel.
Windows XP, Service Pack 1
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirement
Licdll.dll5.1.2600.1785398,84821-Dec-200503:36x86SP1
Winlogon.exe5.1.2600.1785483,32821-Dec-200503:16x86SP1
Windows XP, Service Pack 2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirement
Licdll.dll5.1.2600.2815423,93621-Dec-200503:38x86SP2
Winlogon.exe5.1.2600.2815503,80821-Dec-200503:19x86SP2

Microsoft Windows Server 2003

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

Prerequisites
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 item in Control Panel.
Windows Server 2003, 32-bit versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Licdll.dll5.2.3790.457437,76021-Dec-200503:57x86
Winlogon.exe5.2.3790.457497,15221-Dec-200503:51x86
Windows Server 2003, 32-bit versions with Service Pack 1
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirement
Licdll.dll5.2.3790.2598450,04821-Dec-200504:12x86SP1
Winlogon.exe5.2.3790.2598509,44021-Dec-200503:58x86SP1
Windows Server 2003, x64-based versions with Service Pack 1
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirement
Licdll.dll5.2.3790.2598736,25620-Dec-200512:27x64SP1
Winlogon.exe5.2.3790.2598924,16020-Dec-200512:27x64SP1
Windows Server 2003, Itanium-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Winlogon.exe5.2.3790.457641,02420-Dec-200512:22IA-64
Windows Server 2003, Itanium-based versions with Service Pack 1
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Winlogon.exe5.2.3790.2598681,47220-Dec-200512:28IA-64

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Microsoft Windows Server 2003 Service Pack 2.

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

Properties

Article ID: 912354 - Last Review: October 9, 2011 - Revision: 5.0
APPLIES TO
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
Keywords: 
kbautohotfix kbwinserv2003sp2fix kbbug kbfix kbhotfixserver kbqfe KB912354

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