Migrating VMs from Microsoft Hyper-V to Proxmox VE can feel tricky because the platforms use different disk formats and tooling — Hyper-V exports VHD/VHDX files while Proxmox prefers QCOW2 or raw images. This Vinchin guide walks you step-by-step through the practical migration workflow: export the VM from Hyper-V, transfer and validate the VHDX on the Proxmox host, convert it to QCOW2 with qemu-img, and attach the converted disk to a newly created Proxmox VM (using qm rescan / qm set) — plus a backup/restore alternative using Vinchin Backup & Recovery.
Read: https://www.vinchin.com/vm-migration/hyper-v-to-proxmox.html