278-Secure Boot Authentication Failure
278- Secure Boot Authentication Failure. One or more UEFI drivers or applications was not authorized due to revoked certificate(s) and was not executed. Action: Update the SW/FW to a revision with a valid certificate.
The current software or firmware revision does not have a valid certificate.
Update the software or firmware to a revision with a valid certificate. For more information, see "Keeping the system current" in the HPE ProLiant Gen9 Troubleshooting Guide, Volume I
on the
Hewlett Packard Enterprise website.