A critical status alert is reported on an ESXi host with the message:
"The storage Power JBP2 cable is not connected, or is improperly connected."
The alert may appear in the host hardware system events with reference code HWC2003 and a log sequence number. The detailed description indicates that the cable may be necessary for proper operation, and system functionality could be degraded if the connection is missing or loose. Customers may encounter this error when monitoring host hardware health in vCenter or directly on the ESXi host.
ESXi
The alert is caused by the storage Power JBP2 cable being disconnected or improperly seated on the server’s mainboard.
Contact your hardware vendor for guidance on verifying and reconnecting the Power JBP2 cable. The vendor can provide detailed instructions.