Understand ISE Services, Purpose and Troubleshooting - Cisco
: If deploying 2.7, it is highly recommended to move directly to Patch 9 or later . Version 2.7 Patch 8 was known to have a specific bug (CSCwe08264) that could cause installation failures when coming from certain earlier patches . Detailed Review: Key Features & Performance cisco ise 27 download upd
Administration > System > Maintenance > Patch Management > Install Browse for the downloaded patch file and click Understand ISE Services, Purpose and Troubleshooting - Cisco