Microsoft KB Archive/919303

= FIX: COM+ applications that run on a Windows Server 2003-based computer may stop responding because a deadlock condition occurs in the COM+ System Application service =

Article ID: 919303

Article Last Modified on 12/5/2007

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APPLIES TO

 Microsoft COM+ 1.5, when used with:  Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)

 Microsoft Windows Server 2003, Enterprise x64 Edition

 Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems

 Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)</li></ul>

 Microsoft Windows Server 2003, Datacenter x64 Edition</li></ul>

 Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems</li></ul>

 Microsoft Windows Server 2003, Standard Edition (32-bit x86)</li></ul>

 Microsoft Windows Server 2003, Standard x64 Edition</li></ul> </li></ul>

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<div class="notice_section">

<div class="symptoms_section">

SYMPTOMS
Microsoft COM+ applications that run on a Microsoft Windows Server 2003-based computer may stop responding (hang) because a deadlock condition occurs in the COM+ System Application service.

<div class="cause_section">

CAUSE
This problem occurs because a race condition occurs that involves calls to the DeleteTimerQueueTimer method. Any COM+ applications that call into the COM+ System Application service may stop responding.

<div class="resolution_section">

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

<div class="workaround_section">

WORKAROUND
To work around this problem, restart the COM+ System Application service. To do this, follow these steps:
 * 1) Click Start, click Run, type services.msc, and then click OK.
 * 2) Right-click COM+ System Application, and then click Restart.

<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.

<div class="moreinformation_section">

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

For more information about the DeleteTimerQueueTimer method, visit the following Microsoft Developer Network (MSDN) Web site:

http://msdn2.microsoft.com/en-us/library/ms682569.aspx

Keywords: kbwinserv2003sp2fix kbfix kbhotfixrollup kbqfe kbpubtypekc kbprb KB919303

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