When you’re trying to upgrade VMWare ESXi from 6. or 6.5 to 6.7. Via vCenter update manager or ILO console you may notice the Error similar: Missing_dependency vibs eror like Qlogic_bootbank_scsi, or Mellanox bootbank_net. I just upgraded the firmware version and I have checked my boot mode It’s Legacy BIOS, then I changed to UEFI….