Don't you just love spending time patching and upgrading? I'm sure you don't, but it's very necessary for the health of the environment. Let's take ISE 3.3 Patch 4 to Patch 5, then let's upgrade to Identity Services Engine 3.4.
Upgrade Journey Guide for 3.4: https://www.cisco.com/c/en/us/td/docs...
00:00 - Introduction
01:10 - Documentation is Important
02:13 - Backups
03:19 - Health Checks
03:54 - Patching
04:23 - Patch Verification
04:42 - Upgrade Readiness Tool
06:20 - Full Upgrade
08:52 - Upgrade Verification