So Vyshemirsky found another solution to this problem called at http://ww.snerdware.com/groupcal and they have another than does the same for contacts to the Address Book. Although Judi found it buggy and it deleted appointments in Exchange and iCal (so backup before trying any of this!). And some think they are out of business.
There are real [...]
iCal to Exchange before Snow Leopard
September 5th, 2008 · No Comments · Geek
Tags: Clever Guy·Com Blog·Contacts·Gmt·Harare·Intercepts·Johannesburg·Mac Mail·Microsoft·Microsoft Exchange·Pretoria·Snow Leopard·Standard Time·Sync·Time Formats·Time Zone·Ww