Thursday, February 7, 2019

Cisco ISE 2.3 -> 2.4 Upgrade Experiences

With the recent End of Maintenance and Support announcements for ISE 2.3, we need to start planning an upgrade to 2.4. Wondering if anyone here has already gone through this upgrade and what their experiences were.

The upgrade process looks like a hell of an awful time (3-4+ hour upgrade time per node, changing Guest OS settings in VMware, etc.), and there are some things in the 2.4 release notes that don't give me warm fuzzy feelings about having a smooth transition.



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