APRIL 2, 2010
Mac OS X 10.6.3 Issue--iCal stops working with Microsoft Exchange & a fix
One of the principal benefits to me of upgrading to Snow Leopard (Mac OS X 10.6) is that Mail and iCal work well directly with Microsoft Exchange 2007 (see my review). I am no longer required to use Microsoft Outlook by Boot Camp or Parallels...ahhhh, what a relief! To me, this is a huge benefit. So, imagine my horror after updating my Mac Pro (early 2008) and MacBook Air (early 2008) to Mac OS X 10.6.3 that iCal stopped working. I could not put entries into iCal on one Mac and have them replicated on my other Mac and iPhone. Furthermore, if others updated my Outlook calendar through my accepting meeting requests via Mail or on my iPhone, it did not appear in iCal on either Mac, although it did on my iPhone. Clicking the Refresh command under the Calendar pull-down menu had no effect.
To make shorter a long troubleshooting story where I tried many things, I set up a new user, booted into it and set up my Exchange account on a fresh copy of iCal--it worked! The fix was to delete the contents of my user ~Library/Calendar folder on both Macs and set up the Exchange account again. It appears that either some file was corrupted by installing 10.6.3 or some file was not updated in the process and needed to be. In any case, setting up the Exchange account again after deleting the contents of the user ~Library/Calendar worked.
Note, however, that if you have many iCal calendars and they all work except the Exchange account, first you might want to try deleting just the folder ending in .exchange so that you may not have to set up again the other calendars, especially those that have many manual entries that you want to keep. [Bill Fox]
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