ONTAP 9.5 and greater includes Feature Request 1172908 which supports secure communication with the service-processor (SP) or BMC through Certificate Authority (CA) signed certificates. If the SP API ...ONTAP 9.5 and greater includes Feature Request 1172908 which supports secure communication with the service-processor (SP) or BMC through Certificate Authority (CA) signed certificates. If the SP API port is queried for certificates after this process is complete, the same certificate will be returned for each SP/BMC in the cluster.