GRUB boot error from USB (Attempting new install 7.3)

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Paulev

Active Member
Sep 4, 2016
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I'm trying new install of Proxmox 7.3. I've downloaded and burned the iso image on usb using rufus. But, when it tries to boot i get grub error: "prohibited by secure boot policy" (see image). Anyone experience this? Thanks in advance for any feedback to fix issue.
 
Hi, yes I believe Secure Boot is enabled. Just been reading up on secure boot. I read its a useful feature to keep enable. Any info as to why Proxmox don't support it? Is there any work around to install proxmox having it enabled?
 
I have read the below comments via thread below and noted Proxmox don't support secure boot yet. Comment was since July/2019. Wondering when they will support this feature? Not fully sure of the pros & cons disabling secure boot. I guess i will just disable for now.

https://forum.proxmox.com/threads/how-to-enable-secure-boot-on-pve-6.55831/

Jul 11, 2019
We don't offer signed kernel images or Grub (yet), so there is no Secure Boot with PVE.
 
If I remeber right, it should come soon.
Someone of the staff posted a date some weeks/months ago.

Edit:
2 months ago:
The CentOS, Ubuntu or Debian ISOs are signed with Microsoft's UEFI secure boot key that's backed-in in most HW sold, the Proxmox VE ISOs (currently) are not signed with that. We plan to apply for this via the rh-shim sometime next year.
Click to expand...
So hopefully 2023.
 
Last edited:
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Reactions: majorgear
Hey Dunuin thanks for your reply and comments... Glad to hear something in the works with this.
 
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