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Red Hat Enterprise Linux 9.7 or Red Hat Enterprise Linux 10.1 cannot be installed with Secure Boot enabled on HPE ProLiant Gen11 RL300 and Gen12 DL384 compute modules. After booting from the ISO image, the system reverts to the one-time boot menu within a few seconds.Note: For more details on adding the "Microsoft UEFI CA 2023" key to the UEFI database, refer to the Red Hat article,Secure Boot Certificate Changes in 2026: Guidance for RHEL Environments.
Any HPE ProLiant RL300 with a system ROM earlier than version 1.80 or HPE ProLiant Gen12 DL384 compute module with a system ROM earlier than version 1.30 installing Red Hat Enterprise Linux 9.7 or Red Hat Enterprise Linux 10.1.
Update toHPE ProLiant RL300 Gen11 System ROM version 1.80(R11_1.80_01-09-2026) or later orHPE ProLiant DL384 Gen12 System ROM version 1.30(R13_1.30_02-05-2026, R14_1.30_02-05-2026) or later,After every System ROM update, select "Reset all keys to platform defaults" in the RBSU to load the updated Secure Boot certificate keys.https://support.hpe.com/hpesc/public/docDisplay?docId=sd00005126en_us&page=GUID-D7147C7F-2016-0901-0A69-000000000E88.html&docLocale=en_USAs a workaround, Install Red Hat Enterprise Linux 9.7 and Red Hat Enterprise Linux 10.1 with Secure Boot disabled for successful installation.
Operating Systems Affected:Red Hat Enterprise Linux 10.1
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