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How to Prevent/Troubleshoot “Calendar items missing” issue

  • 项目

In Outlook 2003, some customers may meet the “Calendar items missing” issue. There are several factors that can cause this problem and therefore, the whole troubleshooting process may be time consuming.

At this stage, we’d like to provide some tips to help you prevent such issues. The following tips are from analyzing many “Calendar items missing” issues:

1. Keep your BlackBerry and GoodLink server updated

2. Keep your Outlook and Exchange server updated

3. Keep the manager and the delegate using the same version of Outlook

4. If possible, make the manager and delegate’s mailboxes in the same store

5. Avoid sending meeting request to a Distribution List (we can expand the DL first)

Additional best practices can be found in the following articles:

Outlook meeting requests: Essential do’s and don’ts

https://office.microsoft.com/en-us/help/HA011276781033.aspx

Considerations when you use the Delegate Access feature in Microsoft Outlook

https://support.microsoft.com/?id=829217

Also, we’d like to provide some troubleshooting guides for “Calendar items missing” issue. Please refer to the following useful articles when this issue occurs.

How to troubleshoot missing and duplicate appointments in Outlook

https://support.microsoft.com/?id=890436

Description of common scenarios in which Calendar information may be removed from the Calendar or may be inaccurate

https://support.microsoft.com/?id=899704

Finally, in Outlook 2007, we have redesigned the calendar portion; our goal is for no one to ever miss a meeting. With the spread of Office 2007, the “Calendar items missing” issue will disappear once and for all.

Comments

  • Anonymous
    December 21, 2008
    my windows explorer calender is missing after running advanced registry optomizer. i reinstalled internet explorer and it says still missing. can you help me please and thank you.

  • Anonymous
    August 04, 2009
    With the spread of Office 2007, the “Calendar items missing” issue will disappear once and for all. Not so lucky.  I have this issue with Outlook 2007. Any monitoring tools you recommend. Please email info@aaait.com.au Regards, Leonard

  • Anonymous
    April 07, 2010
    yup; outlook 2007 and 2010 beta having stuff dissapear still. Bold statement i guess.

  • Anonymous
    January 30, 2011
    Calendar items still disappear in Outlook 2007. The Essential DOs and DON'Ts is a little ridiculous. If I'm not spposed to forward a meeting request, don't allow me to do that. Same thing with editing single occurrences of recurring meetings. Save people from themselves Microsoft by improving your usability.

  • Anonymous
    March 09, 2011
    I am loosing anything older than six months. We use current versions of Exchange 2007 and Outlook 2007 and 2010. It is happening programmatically because each day it increments. I will repost if I find a solution.