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Enthusiast

How to upgrade CIMC on SNS-3595-K9 appliance?

Hi

Just wanted to upgrade the CIMC firmware on a SNS-3594-K9 appliance, which is basicly a C220M4 UCS server. But the ISO image (from Cisco) for the firmware upgrade comes without the necessary signature for UEFI Secure Boot. Unfortunately the SNS-3595-K9 firmware does not allow me to deactivate the Secure Boot option for upgrading the firmware. :-)

Does anybody have an idea how to break out of this dead lock?

Regards

Roberto

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Frequent Contributor

Did you use the Host Upgrade

Did you use the Host Upgrade Utility?

"You can update Cisco IMC to the latest version using Host Upgrade Utility (HUU), web UI, or CLI. If you use HUU to upgrade Cisco IMC, you are prompted to enable secure boot mode. If you choose Yes, the system enters a secure mode and install the firmware twice. If you choose No, it enters a nonsecure mode. If you use either the web UI or CLI to upgrade Cisco IMC, you must upgrade to version 2.0(x). After you boot the system with version 2.0(x), it boots in a nonsecure mode by default."