FIX: Memory usage may increase for .NET Framework Windows applications that call COM+ applications after you upgrade to the .NET Framework 2.0

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After you upgrade to the Microsoft .NET Framework 2.0, memory usage may increase for .NET Framework Windows applications that use the ServicedComponent class to call Microsoft COM+ applications.
This problem occurs because a ServicedComponentProxy object is created and is collected over time every time that a COM+ call is made.

Software update information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft .NET Framework 2.0 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.


No prerequisites are required.

Restart requirement

You do not have to restart the computer after you apply this software update.

Software update replacement information

This software update does not replace any other software updates.

File information

The English version of this software update 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.
File nameFile versionFile sizeDateTime
To work around this problem, use the DisableAsyncFinalization registry entry.

For more information about how to set the DisableAsyncFinalization registry entry, click the following article number to view the article in the Microsoft Knowledge Base:
875503 FIX: Slow performance, deadlocks, and memory leaks may occur when applications do not call the Dispose method on all instances of the ServicedComponent class in the .NET Framework
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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
ServicedComponentProxy ServicedComponent Leak
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