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Calendar items that are copied are missing in Exchange Server 2007
Article ID: 2714118 - View products that this article applies to.
Consider the following scenarios.
Additionally, you may experience one or more of the following symptoms in Microsoft Office Outlook when this issue occurs:
This issue can occur if the GlobalObjectID (GOID) property for an item is duplicated when you copy the calendar item.
Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section.
To work around this issue, do not copy a calendar item to create the new calendar items. Instead, manually re-create the calendar item in Office Outlook, in Microsoft Office Outlook Web App, or on the mobile device.
You can use the most recent version of the Calendar Checking Tool for Outlook (CalCheck) utility to check your Outlook calendar for potential problems. The following sample output from the CalCheck utility shows items with duplicate GOID values:
05/16/2012 12:45:18AM ERROR: PidLidGlobalObjectId and PidLidCleanGlobalObjectId values match on two items. 05/16/2012 12:45:18AM This Item Subject: Dupe GOID test demo 2nd copy Start Time: 05/22/2012 07:00:00PM End Time: 05/22/2012 07:30:00PM Other Item Subject: Dupe GOID test demo 1st copy Start Time: 05/22/2012 06:00:00PM End Time: 05/22/2012 06:30:00PM
For more information about the CalCheck utility, see the following article in the Microsoft Knowledge Base:
2678030For information about how to download the CalCheck utility, visit the following Microsoft website:
(http://support.microsoft.com/kb/2678030/ )Information about the Calendar Checking Tool for Outlook (CalCheck)