Booting ESXi in UEFI mode on Cisco UCS
Note: This process should work for Windows and Linux as well. Verify the EFI boot path for the OS. Through ESXi 6.0 I have run my hosts in Legacy BIOS mode on UCS. There just was nothing significant enough worth the hassle of switching to UEFI on UCS (rather: I had more important fires to put out…). The one feature I did want, Secure Boot, wasn’t supported by ESXi 6.0 and earlier. ...