We've got two users (Windows XP SP2, Outlook 2003, ZCS 4.5.10) whose calendars only sync one way. If they create an appointment using the web client, it shows up in Outlook. But, if they create an appointment in Outlook, it doesn't show up in the web client, and therefore not in their shared calendar.
We've tried creating new profiles to no avail.
Has anyone else run into this?