Every now and then I receive a calendar invitation that results in the following error whenever I open the message:
Following problem occurred when processing iMIP message: Invalid duration value. §
Of course the event itself is not shown, nor it’s added to calendar or can be accessed in any way.
An example event that’s triggering the problem:
BEGIN:VCALENDAR
METHOD:REQUEST
PRODID:Microsoft Exchange Server 2010
VERSION:2.0
BEGIN:VTIMEZONE
TZID:America/Los_Angeles
BEGIN:STANDARD
DTSTART:16010101T020000
TZOFFSETFROM:-0700
TZOFFSETTO:-0800
RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=1SU;BYMONTH=11
END:STANDARD
BEGIN:DAYLIGHT
DTSTART:16010101T020000
TZOFFSETFROM:-0800
TZOFFSETTO:-0700
RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=2SU;BYMONTH=3
END:DAYLIGHT
END:VTIMEZONE
BEGIN:VEVENT
ORGANIZER;CN=Bug Test:MAILTO:[email protected]
DESCRIPTION;LANGUAGE=en-US:Let me know if this new day time doesn’t work for anyone.\n
RRULE:FREQ=WEEKLY;UNTIL=20141230T183000Z;INTERVAL=1;BYDAY=TU;WKST=SU
SUMMARY;LANGUAGE=en-US:Bug test
DTSTART;TZID=America/Los_Angeles:20140128T103000
DTEND;TZID=America/Los_Angeles:20140128T110000
UID:040000008200E00074C5B7101A82E008000000006F03B942A617CF01000000000000000
01000000066EDF04CA11AC4479E7FBD47FFEDDD9A
CLASS:PUBLIC
PRIORITY:5
DTSTAMP:20140128T183216Z
TRANSP:OPAQUE
STATUS:CONFIRMED
SEQUENCE:0
LOCATION;LANGUAGE=en-US:Conference
X-MICROSOFT-CDO-APPT-SEQUENCE:0
X-MICROSOFT-CDO-BUSYSTATUS:TENTATIVE
X-MICROSOFT-CDO-INTENDEDSTATUS:BUSY
X-MICROSOFT-CDO-ALLDAYEVENT:FALSE
X-MICROSOFT-CDO-IMPORTANCE:1
X-MICROSOFT-CDO-INSTTYPE:1
X-MICROSOFT-DISALLOW-COUNTER:FALSE
BEGIN:VALARM
ACTION:DISPLAY
DESCRIPTION:REMINDER
TRIGGER;RELATED=START:P
END:VALARM
END:VEVENT
END:VCALENDAR