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Your RPC application may stop responding or slow down when you run the RPC application on a Windows Server 2003-based computer

View products that this article applies to.


When you work with remote procedure calls (RPC) in Microsoft Windows Server 2003, and Component Load Balancing is enabled, your application may stop responding or slow down.

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This problem occurs because of a memory leak on the server that is running the RPC-based application. When an RPC client sends an RPC request call to the RPC server, the container thread may not be freed up after use. The thread may continue to hold the memory.

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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: 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.
The English version of this hotfix has the file attributes (or later) 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 tool in Control Panel.
Date         Time   Version            Size    File name
15-Jan-2004  18:49  5.2.3790.109    1,188,352  Ole32.dll        
15-Jan-2004  18:49  5.2.3790.119      663,040  Rpcrt4.dll       
15-Jan-2004  18:49  5.2.3790.109      293,888  Rpcss.dll

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Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section.

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More information

For more information about RPC, visit the following MSDN Web site:

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Keywords: kbautohotfix, kbhotfixserver, kbhotfixserver, kbqfe, kbbug, kbfix, kbwinserv2003presp1fix, kbqfe, kbqfe, KB832521

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Article Info
Article ID : 832521
Revision : 11
Created on : 12/5/2007
Published on : 12/5/2007
Exists online : False
Views : 365