277-Secure Boot Authentication Failure
277-Secure Boot Authentication Failure. One or more UEFI drivers or applications failed authentication and was not executed.
The current system firmware version does not support Secure Boot.
Confirm the system has firmware or software that supports Secure Boot and has not been compromised. For more information, see "Secure Boot Configuration" in the
HPE ProLiant Gen9 Troubleshooting Guide, Volume I
on the
Hewlett Packard Enterprise website.