Clearing the “Virtual Machine UEFI Secure Boot…

Clearing the “Virtual Machine UEFI Secure Boot Platform Key is out of date” Alarm After VCF 9.1.1 – #vExpert Tommy Grot

Clearing the “Virtual Machine UEFI Secure Boot…

[Tested on VCF 9.1.1.0, September 2026] After upgrading to VCF 9.1.1, a new warning showed up on a handful of my VMs and rolled up to the cluster level: Virtual Machine UEFI Secure Boot Platform Key is out of date. Refer KB 423893 […]


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