Resolved! ISE 2.3 Patch 1 Unable to Join cluster
I have 2 unit of ISE appliance. 3415-k9. Herein after call ISE A and ISE B. Initially the appliance is come with version 2.0. The client want the site A to setup 2 x ISE with version 2.3 and the policy to be follow the HQ policy, but do not join ...