Has anyone successfully set the duration property when creating an appointment with IAppointment (CDO)? MSDN (http://msdn2.microsoft.com/en-us/library/aa487216.aspx) states it is possible but I can't get it working. My application creates an appointment fine when I use starttime/endtime, but with starttime/ duration the endtime just gets set to the current time... Please refer to my thread in the exchange.development forum for further info: http://groups.google.se/group/microsoft.public.exchange.development/browse_frm/thread/afdd727bb5172793 Sorry for cross-posting, just hoping for a reply to what should be a pretty basic problem. /Jellobiaffra