iCal for Mac users might crash after upgrading to 10.6.3.

Please follow these steps to address the issue.

NOTE: Please take backup of your existing data.

1. “Force Quit” iCal and iCal Helper.

2. Delete the “username”/library/calendars folder

3. Delete the “username”/library/caches/com.apple.ical folder

4. Restart your machine.

Related Links:

Sync Exchange to Apple Mac

Sync Exchange Emails, Contacts, Calendar to iPhone

Hosted Apps – Exchange SharePoint

Business Email Hosting

Hosted SharePoint Exchange Services

Creating Contacts in Hosted Exchange

Hosted Exchange Plans