>On Tue, 2017-08-01 at 13:17 +0200, Michael Hirmke wrote:
>> What debug information do you need for this problem?
>how do you connect to the server, maybe with Exchange Web Services
>(EWS), thus evolution-ews? That's important to know.
yes, I use EWS for accessing my Exchange calendar.
>I also suggest to open a bug report in GNOME bugzilla , because the
>mailing list is not good for any bug triage (your query looks like a
>bug on the first look, otherwise I'd not be against initial
>investigation here and then moving to bugzilla).
Ok, I'll open a bug.
>For the issue itself, I'd guess that the modification changed the event
>in some way that it's UID doesn't match to GlobalID anymore. You can
>see in the message source what the iCalendar object looks like and
>compare it with the event in the calendar (right-click->Save As
>iCalendar). The line which begins with "UID:" is one of the important
>lines. There are more, but these are good as the starter.
They both have the same UID:
>By the way, do you know what change had been made? Is it about
>recurring or non-recurring events?
It is a recurring event, and for one of the recurrences the subject has
changed. Now it exists with the old and with the new subject in
Looking at the diff between the two .ics files, there are a few more
This one seems to be one that could be important:
RECURRENCE-ID;TZID=W. Europe Standard Time:20170808T000000
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