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Old 02-21-2006, 11:42 AM   #1 (permalink)
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Talking KB article - possible cause of Calendar sync issues

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Sorry if this was posted already but I came accross this today and I know alot of users have issues with Wireless Calendar Sync even after the cdo.dll's have been checked, thought it may be of use.


What Is - Windows Server 2003 domain controller memory leak affects BlackBerry Wireless calendar synchronization
Last Updated: 02 September 2005
Article Number: KB-03784


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Summary
This article applies to the following:

BlackBerry Enterprise Server™
Microsoft® Exchange
Microsoft Windows Server™ 2003


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Background
When the BlackBerry Enterprise Server receives an appointment on the handheld, the BlackBerry Enterprise Server service sends the appointment to one of the CalHelper processes running on the BlackBerry Enterprise Server. CalHelper is responsible for synchronizing the appointment to the user’s calendar on the Exchange Server, using the Collaboration Data Object (CDO).

Note: This applies to environments where the BlackBerry Enterprise Server is part of an Active Directory.

Description
Calendar items created on the BlackBerry Wireless Handheld™ do not display in Microsoft Outlook®. However, calendar items created in Outlook wirelessly synchronize with the BlackBerry® handheld.

The BlackBerry Enterprise Server debug log displays the following:

[30001] (04/11 09:16:11):{0x11BC} *** CDO *** CDOCalendar::Initialize - Code = 800406f9, WCode = 04f9, Code meaning = IDispatch error #1273,
[30002] (04/11 09:16:11):{0x11BC} Server = mailserver1, Mailbox = /o=Company/ou=Second Administrative Group/cn=Recipients/cn=JohnDoe Description = The information store could not be opened. [MAPI 1.0 - [MAPI_E_LOGON_FAILED(80040111)]].
[30180] (04/11 09:16:11):{0x11BC} CDOCalendar::Initialize - Error in call m_spCalendarFolder = m_spCDOSession->GetDefaultFolder.
[40000] (04/11 09:16:11):{0x11BC} CDO initializing failure in CDO helper 02ed53a8


The errors in these log entries occur when CalHelper fails to synchronize an appointment, since CalHelper must log in to the user’s calendar using CDO.

If the Windows 2003 Domain Controller (which also functions as the Global Catalog Server) has a memory leak problem, the BlackBerry Enterprise Server may be unable to resolve the temporary CDO profiles needed to log on to a user’s calendar and start the synchronization process.

See Microsoft Knowledge Base article 829993 for more information regarding the memory leak condition on Windows Server 2003 Domain Controllers.


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Additional Information
This is not the only reason the BlackBerry Enterprise Server may be unable to resolve CDO profiles. See Support Knowledge Base articles KB-03278 and KB-3480 for more information.
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