Multiple meeting invites are sent to attendees

PROBLEM

Attendees receive multiple meeting invites for different occurrences of the same meeting from the meeting organizer. These invites may also include instances that occurred in the past.

CAUSE

This issue occurs because the meeting organizer isn't prompted about whether to update an occurrence or series when they edit a meeting from an Exchange ActiveSync client. Therefore, the client updates the series.

STATUS

This is the expected behavior with the Exchange ActiveSync v16.x client. The client must send the InstanceId element when it makes a change to a single occurrence of a meeting. Otherwise, Exchange updates each instance in the series.

For additional investigation of this issue, contact the device manufacturer.

To work around this behavior, use Microsoft Outlook for iOS.

MORE INFORMATION

Analysis of the Exchange ActiveSync mailbox logs show the change being sent by the client for the whole series. This is determined by the InstanceId element missing from the request.
<Commands>
<Change>
<ServerId>1:1</ServerId>
<ApplicationData>
<TimeZone xmlns="Calendar:">aAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAsAAAABAAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAACAAIAAAAAAAAAxP///w==</TimeZone>
<AllDayEvent xmlns="Calendar:">0</AllDayEvent>
<BusyStatus xmlns="Calendar:">2</BusyStatus>
<EndTime xmlns="Calendar:">20161103T140000Z</EndTime>
<Location xmlns="AirSyncBase:" bytes="5"/>
<Reminder xmlns="Calendar:">15</Reminder>
<Sensitivity xmlns="Calendar:">0</Sensitivity>
<Subject xmlns="Calendar:" bytes="4"/>
<StartTime xmlns="Calendar:">20161103T130000Z</StartTime>
<MeetingStatus xmlns="Calendar:">1</MeetingStatus>
<Attendees xmlns="Calendar:">
<Attendee>
<Name bytes="6"/>
<Email bytes="18"/>
<AttendeeType>1</AttendeeType>
</Attendee>
<Attendee>
<Name bytes="22"/>
<Email bytes="22"/>
<AttendeeType>1</AttendeeType>
</Attendee>
</Attendees>
<Recurrence xmlns="Calendar:">
<Type>1</Type>
<Interval>1</Interval>
<DayOfWeek>118</DayOfWeek>
<Until>20161202T140000Z</Until>
<FirstDayOfWeek>0</FirstDayOfWeek>
</Recurrence>
</ApplicationData>
</Change>
<Change>
<ServerId>1:1</ServerId>
<InstanceId xmlns="AirSyncBase:">20161126T140000Z</InstanceId>
<ApplicationData>
<Body=2 bytes/>
<StartTime xmlns="Calendar:">20161126T150000Z</StartTime>
<EndTime xmlns="Calendar:">20161126T160000Z</EndTime>
<Subject xmlns="Calendar:" bytes="4"/>
<BusyStatus xmlns="Calendar:">2</BusyStatus>
<AllDayEvent xmlns="Calendar:">0</AllDayEvent>
<Location xmlns="AirSyncBase:" bytes="5"/>
<Reminder xmlns="Calendar:">15</Reminder>
<Attendees xmlns="Calendar:">
<Attendee>
<Name bytes="6"/>
<Email bytes="18"/>
<AttendeeType>1</AttendeeType>
</Attendee>
<Attendee>
<Name bytes="22"/>
<Email bytes="22"/>
<AttendeeType>1</AttendeeType>
</Attendee>
</Attendees>
</ApplicationData>
</Change>
</Commands>
Svojstva

ID članka: 3205555 - posljednja izmjena: 23. stu 2016. - verzija: 1

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