Prerequisites for an Existing Cluster
You can install HCP on an Ambari-managed cluster running HDP 2.5.x or 2.6.x and Ambari 2.4.2 (or later). However, the cluster must meet requirements for both the Hadoop cluster and the Metron nodes.
You can install HCP on an Ambari-managed cluster running HDP 2.5.x or 2.6.x and Ambari 2.4.2 (or later). However, the cluster must meet requirements for both the Hadoop cluster and the Metron nodes.