I've hear: If change the Account-Name in Zimbra, the Calendar-Name in Outlook takes still the old Account-Name (Kalender in Zimbra - Name)...

I mean, I read this in this zimbra forums once before but I can't retrieve this thread :-(

Is this a offical Bug or have anybody a procedure of solution?
If it's a bug, please post the bugzilla-link, i like to vote for it!