An appointment is canceled or deleted unexpectedly when using Server-Side Synchronization
This article provides a solution to an issue where an appointment is canceled or deleted unexpectedly when using Server-Side Synchronization.
Applies to: Microsoft Dynamics 365
Original KB number: 4345686
When using Server-Side Synchronization to synchronize appointments between Dynamics 365 and Exchange, an appointment is canceled or deleted unexpectedly.
It can occur if the organizer of the appointment changes. The default behavior of Dynamics 365 can result in the appointment being deleted in this scenario.
A configurable setting was introduced to allow you to change this behavior. You can use one of the following tools to change the DistinctPhysicalAndLogicalDeletesForExchangeSync setting to True: