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SYS-C0920 · Migrations & Audits

Hyper-V VM to Proxmox Migration Guide

Note one Hyper-V disk to convert on a Proxmox host you administer. The page does not copy it.

Updated 25 October 2026 · Migration Guide

This is an original planning guide. It is not a vendor manual, an official standard, or legal advice. Example addresses use documentation ranges. Review every command before you paste it.

What this hour is for

The converter writes a commented qemu-img line for a disk name you type. It says to export the disk, then convert it on the Proxmox host you administer, and that this page does not copy the disk.

Do not convert the only copy. Do not run the convert during the reading. The VM and the Proxmox host are ones you administer.

192.0.2.10/24 and example.com are documentation. They stay in the note.

The change you can finish

Apply nothing while you are writing the note. When the lab window opens, it is one change on the host named in the ticket. Read the draft, then the host, then decide.

Rollback is the file, the package version, or the snapshot you saved first. You do not invent a rollback after the only copy is gone.

  1. Name the disk and the Proxmox host.
  2. Confirm a second copy exists.
  3. Do not convert.
  4. Stop.

Mistakes that outlive the command

Hyper-V VM to Proxmox Migration Guide goes wrong in a small set of ways. The list is here so the ticket can forbid them before the window.

Decisions to write down

One decision for Hyper-V VM to Proxmox Migration Guide: A second copy exists. The Proxmox host is yours. Nothing was converted. And the VM is yours.

Checks before you call it done

Confirm this before you call the change done: The disk is written. The Proxmox host is written. A second copy is written. Nothing was converted. And the page did not copy the disk. If one of those fails, stop.

# A commented convert.
# This page does not copy the disk.
# Do not convert the only copy.

Before you leave the host

Hyper-V VM to Proxmox Migration Guide ends when the hostname in the prompt matches the hostname in the ticket. If it does not, you are on the wrong host. Stop. A command that succeeded on the wrong host is not progress.

The draft stays a draft until a person has read the names in it. A generator does not log into the host and does not know which disk is empty. You delete a line that names a host, a path, or an account you did not write down.

192.0.2.10/24, gateway 192.0.2.1, 198.51.100.0/24, 203.0.113.0/24, and 2001:db8::/32 are documentation. example.com is a documentation name. They belong in the note. They are not values you leave on a host because a draft included them.

prompt-for-this is a reminder that a secret is missing. It is not a password, a key, or a token you save in the ticket or in git. The real secret stays in the password store.

One change is the window. If two things move and the result is wrong, you will not know which one did it. The next change waits for its own page.

If the same step fails twice, stop for the day. The failure is the result. Adding a forum command beside a half-applied change produces a host nobody can rebuild. Restore the copy you took first.

A second person reads the hostname and the change aloud. If they cannot find them in the ticket, the note is not done. Silence is not agreement. Then leave the host alone.

This page is a planning guide. It is not a vendor manual, not an official standard, and not permission to touch a host you do not administer. You do not disable a firewall, AppArmor, or SELinux to make a check pass.

Tools for this guide

These tools run in the browser on this site. They do not log into your machines.

More in this cluster

The pillar for this page, and the next published pages filed with it.