Firmware update to Flex switch failed, indicating an error with the message of failed to contact host

Use this information to troubleshoot an IOM: Reported ***ERROR*** failed to contact host error message in the jobs log. This might occur if the IP address of switch is not reachable on the network from Lenovo XClarity Administrator.

Take the following actions in this order. After each step, try updating the firmware again.
  1. Ensure that the switch has a valid IP address and is reachable on the network from XClarity Administrator.
  2. Restart the switch.
  3. Restart the CMM.