Proxmox Secure Boot Certificate Update: Enroll the 2023 UEFI Keys on Every VM (2026 Guide)
Proxmox Secure Boot certificate update guide: fix the ms-cert=2023k warning, run qm enroll-efi-keys safely, protect BitLocker and update every Windows VM.
Secure Boot
Secure Boot Certificate Expiration 2026: How to Update Windows PCs, Servers and Proxmox VMs
Secure Boot certificate expiration 2026 explained: which Microsoft certs expire, how to update Windows PCs, servers and Proxmox VMs, and how to verify it worked.