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Mac OS X 10.8 (Mountain Lion)

If you have questions about upgrading a Cornell/CALS computer please check with your local IT support before purchasing or installing this new version,

The latest Mac operating system, OS X 10.8 (Mountain Lion) is expected to be available soon. Mountain Lion is currently being evaluated for use at Cornell, and the IT Service Desk may be contacted with questions relating to the operating system and its associated Mail and Calendar applications.

Overall application compatibility and licensing agreements are also being reviewed. Updates will be provided by email and the Mountain Lion at Cornell resource page:

Mac users interested in upgrading to Mountain Lion will want to carefully consider the timing of doing so. There can be unexpected results when trying to use existing applications under brand-new operating systems.

Backups and Security

Regular backups and system security are essential components of any computing setup. Users should consult with their technical support provider or the IT Service Desk before attempting to install software that could jeopardize computer backups or security.

IBM and Tivoli have not yet announced support for Mountain Lion. If you upgrade before they do so, EZ-Backup cannot guarantee the integrity of backups or the ability to restore data. Based on past experience, the vendor should announce support for Mountain Lion within days or weeks of its release.

Symantec Endpoint Protection (SEP) and PGP are not currently certified to be compatible with Mountain Lion. PGP requires decryption of the drive and removal of PGP before installing Mountain Lion. If this process is not followed, it is likely that the computer will be rendered unable to boot.  


System requirements, including the models that can be upgraded to Mountain Lion, may be viewed at the Apple web site: 


Individual and bulk licensing for departmental purchase will be available at Cornell. Watch for details from the Cornell Store’s Technology Connection. It is also possible to upgrade directly from Snow Leopard or Lion through the App Store built into OS X.

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