Although these two virtualization platforms (XenServer / Hyper-V Server) are different, they can both export VMs into a VHD file.

When we deal with the Xen environment, we can make use of the methods mentioned in the Live migration of a physical machine to a KVM section. However, I would also like to provide another method by exporting a VM from XenServer and then importing it back to the Proxmox environment.

If you have a Hyper-V environment, you can directly start from step 6 to skip the XenServer-related steps. The concept here is to turn off the VM and find out the storage location, copy the VHD file to Proxmox, and execute the disk image conversion command.

The steps involved in system migration for both XenServer and Hyper-V Server are as follows: