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K-State Today

August 6, 2012



Apple OS X Mountain Lion calendar app compatibility issues, workaround with Zimbra

By Eric Dover

iTAC staff and others on campus found a compatibility issue with the native Apple OS X Mountain Lion calendar app and Zimbra. When you try to add or update appointments using the calendar app, you get an error and it will not sync the appointment to Zimbra. When you click the revert-to-server button on the error, it deletes the appointments.

This seems to be a compatibility issue with Zimbra's implementation of the protocol that is used to connect the calendar app to Zimbra. At this time Zimbra is aware of the bug and is working on a fix, but a timeframe for a resolution has not been specified.

A workaround has been discovered, but it is possible you will still experience issues until the bug is resolved. Details are in the Apple OS X Mountain Lion article in the IT News blog at blogs.k-state.edu/it-news.

If you or someone you know relies on the calendar app for accessing Zimbra calendar on their Mac, we recommend holding off on upgrading to Apple OS X Mountain Lion until a permanent solution is found.