Microsoft KB Archive/923035

= Stop error message when a Terminal Services client logs off from a session on a server that is running Windows Server 2003 with Service Pack 1: &quot;Stop 0x000000AB (SESSION_HAS_VALID_POOL_ON_EXIT)&quot; =

Article ID: 923035

Article Last Modified on 10/11/2007

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APPLIES TO

 Microsoft Windows Server 2003 SP1, when used with:  Microsoft Windows Server 2003, Standard Edition (32-bit x86)

 Microsoft Windows Server 2003, Enterprise Edition

 Microsoft Windows Server 2003, Web Edition

 Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems</li></ul> </li> Microsoft Windows Server 2003, Standard x64 Edition</li> Microsoft Windows Server 2003, Enterprise x64 Edition</li></ul>

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<div class="symptoms_section">

SYMPTOMS
When a client computer logs off from a Terminal Services session, you may receive a Stop error message on the terminal server that resembles the following:

Stop 0x000000AB (SESSION_HAS_VALID_POOL_ON_EXIT)

This problem occurs when the terminal server is running Microsoft Windows Server 2003 with Service Pack 1. When this problem occurs, other client computers that are logged on to the terminal server may stop responding.

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CAUSE
This problem is caused by a session pool memory leak in the Win32k.sys file.

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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

Prerequisites
To apply this hotfix, you must have Windows Server 2003 Service Pack 1 installed. For more information about how to obtain the latest service pack for Windows Server 2003, 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

Restart requirement
You must restart the 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, Itanium-based versions
<div class="status_section">

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

Additional query words: CM59212

Keywords: kbfix kbqfe kbwinserv2003presp2fix kbwinserv2003sp2fix KB923035

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