You need to convert to virtual machine to an OVF package first
Step-by-step instructions on how to convert a backup archive (*.tib) to virtual hard disk (*.vhd) and import it to Hyper-V
You can import an archive to a managed vault only through command line
You can use a special Acronis utility to import a .vhd file to Citrix XenServer
How to import ova.xml to Citrix XenServer
This article describes how to import a converted virtual machine into ESX Host
The XML file that you are trying to import is not a backup plan or it is corrupted
Check the license key and connection to the remote Acronis License Server
How to export and import local and centralized backup tasks
