OL2000: Access Violation Using MAPIUninitialize After Accessing IMAP Store

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This article was previously published under Q324841

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SYMPTOMS

When you use a custom program to programmatically access an IMAP store to open a hierarchy table, immediately close the store and unintitalize MAPI, you may receive an Access Violation error in OUTLCM!CAccountManager::~CAccountManager when MAPIUninitialize is called.

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RESOLUTION

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.

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, submit a request to 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:

http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)

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 fix should have the following file attributes or later:

   Date          Time       Size        File name
   ------------------------------------------------------
   08-Nov-2002   17:52:16     235,520   Olkintl.msp
   08-Nov-2002   18:03:36   1,428,480   Olkintl_Admin.msp

After the hotfix is installed, the English version of this fix will have 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
   ---------------------------------------------------------------------------
   30-Oct-2002   12:40:36   5.5.2656.94   720,144   Cdo.dll (Windows Me/98/95)
   30-Oct-2002   12:39:10   5.5.2656.94   813,328   Cdo.dll (Windows NT)
   02-Nov-2002   01:16:24   5.5.3184.0    154,112   Emsabp32.dll
   25-Sep-2002   19:21:54   5.5.3182.0    131,344   Emsui32.dll
   09-Oct-2002   17:31:16   5.5.3183.0    540,944   Exsec32.dll
   23-Jul-2002   14:47:26   8.30.3173.0   782,608   Outex.dll
   23-Jul-2002   14:41:28   9.0.6718.0    368,691   Pstprx32.dll

This fix is a post-Office 2000 Service Pack 3 (SP-3) fix. To install the fix, you must have Office 2000 SP-3 installed. For additional information about Office 2000 SP-3, click the following article number to see the article in the Microsoft Knowledge Base:

326585 (http://support.microsoft.com/kb/326585/EN-US/ ) OFF2000: Overview of Office 2000 Service Pack 3

Additionally, you may have to install Windows Installer 2.0 to install this fix. For additional information about the Windows Installer requirement for post-Office 2000 SP-3 fixes, click the following article number to see the article in the Microsoft Knowledge Base:

811002 (http://support.microsoft.com/kb/811002/EN-US/ ) OFF2000: Office 2000 Updates and Patches Released After November 2002 May Require Windows Installer 2.0

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MORE INFORMATION

This fix also requires the addition of a new flag to be passed to GetHierarchyTable to disable the asynchronous hierarchy synchronization. The value of this flag is 0x4000 hexadecimal. Add this flag to the ulFlags parameter when calling GetHierarchyTable as:

hr = m_lpFolder->GetHierarchyTable( MAPI_DEFERRED_ERRORS | 0x4000, &m_lpFolderTable );

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WORKAROUND

A call to Sleep can be made just before calling MAPIUninitialize if you suspect you are experiencing this symptom. The value that is passed to Sleep may have to be adjusted depending on your environment. Testing has shown that a value of 1000 or 2000 milliseconds is generally sufficient to make it possible for the IMAP store to close before uninitializing MAPI.

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