Turns out I was missing something obvious, and that is the Important Information section on the firmware support page (a bit unprofessional of me, admittedly...). Which clearly states that you can't go straight from 15.0.27 to 16.0.24 when upgrading through the blade's Lifecycle Controller (via the iDRAC interface, iDRAC settings/Update and Rollback). What you have to do is 15.0.27 --> 15.5.0 --> 16.0.24. And indeed, that works. So this has nothing to do with the VRTX and everything with this specific NIC firmware. Thanks anyway Chris for trying to help, it's always appreciated.
I might be missing something obvious, but I can't figure out how to update the firmware of the chassis-attached NICs on a VRTX.Mapping a NIC to a blade and trying to update its firmware from the blade's iDRAC doesn't work (it does put a job in the queue, reboot the server and go as far as the update screen, but then fail).And there's no "update" tab on the CMC interface for PCIe components (there is one for the storage components, so I was kind of expecting something similar...).Any idea?NICs are Intel I350-T4. Current firmware is 15.0.27. Target firmware is 16.0.24. Everything else on blades and VRTX chassis is latest version, AFAIK. This is an Express CMC license.
VRTX - Updating NICs firmware