HCI compute node firmware upgrade error

• An error occurrs during the upgrade of compute node firmware on HCC.
• The below message is showing on the error log from HCC.

"customerResolution": "One or more CD/DVD/floppy disks are attached to Virtual Machines on the ESXi host. Unmount all virtual media disks (CD/DVD/floppy) from the VMs in question and run the health check again.",
                "clusterId": "xxxx",
                "clusterName": "xxxx",
                "datacenterName": "xxxx",
                "failed": [
                  {
                    "cdrom_connected": true,
                    "vm": "xxxx"
                  },
                  {
                    "cdrom_connected": true,
                    "vm": "xxxx"
                  }