Issue On NetApp AFF A400, FAS8300, and FAS8700 systems, ONTAP might lose communication with the baseboard management controller (BMC) and report "sp.heartbeat.stopped" events and related AutoSupport m...Issue On NetApp AFF A400, FAS8300, and FAS8700 systems, ONTAP might lose communication with the baseboard management controller (BMC) and report "sp.heartbeat.stopped" events and related AutoSupport messages. The following are examples of the events reported by the system: 21:45:49 +0100 [cluster-01: spmgrd: sp.heartbeat.stopped:error]: Have not received a IPMI heartbeat from the Service Processor (SP) in last 600 seconds.