Issue installing PBS on Hyper-V "No device with valid ISO found"

[florianlkm]

Hello,

I am trying to install PBS on a Hyper-V virtual machine.I can successfully boot from the ISO, but then I encounter the following error: "no device with valid ISO found".

Here are the details of my configuration:

• VM Generation: Generation 2
• Storage: DVD drive attached to a SCSI controller
• ISO Integrity: I have verified the hash of the ISO; it is not corrupted.
• ISO Location: Stored on the Hyper-V local storage.

I also tried with a Generation 1 VM; the installer proceeds further, but I eventually run into the following error:

 

[Chris]

Did you try using the TUI installer instead of the GUI installer? Also, as a workaround you can install on top of Debian Trixie as described in https://pbs.proxmox.com/docs/installation.html#install-proxmox-backup-server-on-debian