Article ID: 944112 - View products that this article applies to.
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When a Windows XP-based client computer connects to a server by using an asynchronous remote procedure call (RPC), a memory leak in an ole32!CAsyncCall DCOM object may occur on the server. Additionally, you have to restart the server.
This problem occurs because DCOM does not receive a send complete notification for the nonlocal asynchronous call. The missing notification that makes the reference that depends on the DCOM AsynCall object for the call cannot be used correctly. Therefore, the call object is never released, and a memory leak occurs.
Service pack informationTo resolve this problem, obtain the latest service pack for Windows XP. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322389/ )How to obtain the latest Windows XP service pack
Hotfix informationA 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 Windows XP 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:
http://support.microsoft.com/contactus/?ws=supportNote 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.
PrerequisitesYou must have Windows XP with Service Pack 2 installed to apply this hotfix.
Restart requirementYou must restart the computer after you apply this hotfix.
Hotfix file informationThe 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.
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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was corrected in Windows XP Service Pack 3.
For more information about asynchronous RPCs, visit the following Microsoft Web site: