Microsoft KB Archive/893420

= A MAPI-based program may stop running on a computer that is running Outlook 2003 or Outlook 2002 =

Article ID: 893420

Article Last Modified on 6/20/2005

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APPLIES TO


 * Microsoft Office Outlook 2003
 * Microsoft Outlook 2002 Standard Edition

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SYMPTOMS
When you try to run a MAPI-based program on a computer that is running Microsoft Office Outlook 2003 or Microsoft Outlook 2002, the MAPI-based program may stop running after a while. Additionally, when you monitor the MAPI-based program, you may observe a handle leak.



CAUSE
This problem may occur because of a handle leak when a MAPI-based program opens a message store. When a MAPI-based program opens a message store, two handles are opened to the following registry subkey:

When the MAPI-based program is finished using the handles that were opened to the registry subkey, the handles are not closed. If the MAPI-based program runs for a long time and repeatedly opens message stores, open handles build up. This may cause errors or unpredictable behavior in the MAPI-based program.



WORKAROUND
To work around this problem, quit and then restart the MAPI-based program.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbtshoot kbprb KB893420

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