Using MySQL configuration file: /opt/AppDynamics/Controller/platform_admin/../db/db.cnf
Starting Platform Admin application
Waiting for the Platform Admin application to start......
***** Platform Admin application started on port 9191 ***** [appdynamics@controller platform_admin]$ bin/platform-admin.sh upgrade-events-service
Upgrading Events Service cluster.
Events Service upgrade failed. Disable Transient Rebalancing failed
1) 4 RHEL Linux hosts (Controller + 3 Events Service Nodes) 2) Successful Controller upgrade to version 188.8.131.52 3) Disabled all firewalls between the Controller and ES Cluster nodes 4) Cluster health check from Platform Admin Tool yields HEALTHY cluster 5) JAVA_HOME variable is properly set on all hosts