Quote Originally Posted by dpedpe
So more wierdness to report. Suddenly, iCal showed multiple (I think 8) instances of the Zimbra Calendar calendar. So I went from not being able to see that calendar in iCal, to seeing eight different versions of it. Not wanting 8 versions of it, I deleted all of them and now that calendar doesn't show up in iCal again.

Are there any log files anywhere to help troubleshoot this?
Your best bet is to file a support request with our support team. They should be able to help you debug this quicker.