Applies to ONTAAP 9 MetroCluster Issue After converting from Onboard key-manager to External key-manager and performing switchover testing, switchback fails with the below error: Node1 (overridable ve...Applies to ONTAAP 9 MetroCluster Issue After converting from Onboard key-manager to External key-manager and performing switchover testing, switchback fails with the below error: Node1 (overridable veto): Internal Error. Onboard Key Manager hierarchy key mismatch between peer clusters. The local and partner clusters do not have the same list of NSE-AK keys, SVM-KEK keys and CP-KEK keys.