FIX: A stack overflow may occur in the Svchost.exe process that is hosting the COM+ Event System service in Windows Server 2003

Support for Windows Server 2003 ended on July 14, 2015

Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

This article has been archived. It is offered "as is" and will no longer be updated.

SYMPTOMS
In Microsoft Windows Server 2003, a stack overflow may occur in the Svchost.exe process that is hosting the COM+ Event System service. The stack overflow orphans a remote procedure call (RPC) critical section and deadlocks any other RPC calls from the process. At this point, every new instance of the Dllhost.exe process that tries to spawn becomes blocked when the instances try to subscribe to the COM+ Event System service. Dozens of Dllhost.exe processes continue to spawn until the computer’s heap is exhausted.
RESOLUTION

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 rollup package information

This problem is fixed in the Microsoft COM+ hotfix rollup package that is described in Microsoft Knowledge Base article 912818. For more information about this COM+ hotfix rollup package, click the following article number to view the article in the Microsoft Knowledge Base:
912818 Availability of Windows Server 2003 Post-Service Pack 1 COM+ 1.5 Hotfix Rollup Package 8
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 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
Svchost.exe Dllhost.exe rpc critical section stack overflow COM+
Properties

Article ID: 915750 - Last Review: 01/17/2015 13:41:37 - Revision: 3.0

Microsoft COM+ 1.5, Microsoft Windows Server 2003, Standard Edition (32-bit x86), Microsoft Windows Server 2003, Datacenter Edition (32-bit x86), Microsoft Windows Server 2003, Enterprise Edition (32-bit x86), Microsoft Windows Server 2003, Datacenter x64 Edition, Microsoft Windows Server 2003, Enterprise x64 Edition, Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems, Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems

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