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Problem linking exchange meetings

Last Modified: 2013-12-17
We are currently working on an exchange migration project, migrating data from an older groupware solution to Exchange.

The problem we are having occurs when importing calendar-objects into different calendars.

Imagine that a meeting has an organizer and 3 attendees; the iCal for the meeting is imported into all four calendars. Custom MAPI properties are set on the objects:

 - Flags are set to organized in the organizer's calendar, received in the attendee's calendar
 - PidLidGlobalObjectId and PidLidCleanGlobalObjectId are set to identical values for all instances
 - etc.

The problem:

 - If attendees attempt to accept or decline the meeting the organizers calendar is not updated.
 - If the organizer updates the objects this appears as a duplicate ( the duplicate is linked to the organizer's calendar) in the attendee's calendars

Does anyone know what else might be required to solve this?
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