EWS api error RRS feed

  • Question

  • I am using the EWS managed API to call the exchange online on the 21Vianet. I try to impersonate the Attendee and locate the appointment on their calendar, so I make a FindItem call like the code as below:

                       service.FindItems(WellKnownFolderName.Calendar, filter, view).Items[0]

    There is an exception thrown: {"The account does not have permission to impersonate the requested user."}

    The account I use have a global manage right and I also add it into “Discovery Management”.

    Is there any other right I should assign to this use to impersonate user? Or maybe other way to get other user’s calendar?

    Friday, July 1, 2016 8:55 AM


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