Availability of appointments with “Working elsewhere” status cannot be retrieved

Modified on Thu, 22 Aug at 11:28 PM

Symptom

Information about availability of attendees in appointments with “working elsewhere” status cannot be retrieved and returned with blank status value.

This is how the appointment with “working elsewhere” status is shown in Outlook:

And this is how attendee status of this appointment is shown in ResourceFinder:

If this function works properly, the attendee should have the status highlighted in the following figure:

Cause

RC uses "GetUserAvailability" function of RTS to get free/busy data of users in Exchange.

But there is a limit in Exchange Web Service: it does not support getting availability data of “Working Elsewhere” status in Exchange Online. Therefore, when RTS sends a request to EWS, it cannot retrieve availability of meetings/appointments with "Working Elsewhere" status.