Microsoft KB Archive/321419

= A custom MAPI transport program may not function as expected with Outlook 2002 =

Article ID: 321419

Article Last Modified on 3/9/2004

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APPLIES TO


 * Microsoft Outlook 2002 Standard Edition

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This article was previously published under Q321419





SYMPTOMS
If you use a custom MAPI transport program with Microsoft Outlook 2002 (for example, if you use a program that permits you to select the security-level [classification] of an outgoing e-mail message), your custom MAPI transport program may not function as expected.



CAUSE
This problem may occur if your custom MAPI program uses preprocessor functions in a custom MAPI transport provider. This problem may occur even if the IMAPISupport::RegisterPreprocessor method returns the value S_OK becuase Outlook 2002 still may not call the preprocessor function of the custom MAPI transport provider.



RESOLUTION
To resolve this problem, install Microsoft Office XP Service Pack 3 (SP3).

For additional information about how to obtain and install Office XP Service Pack 3, click the following article number to view the article in the Microsoft Knowledge Base:

832671 Description of Microsoft Office XP Service Pack 3



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

Additional query words: xcln outlook2002 transport provider preprocessor imapisupport

Keywords: kbbug kbfix kbqfe kbofficexppresp3fix KB321419

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