If Veeam is an option, then the environment is probably 100% Vmware. Consider VMexplorer (from Trilead, recently acquired by HP) as this is about a third the cost for the same functionality If the environment is a mixture of virtual and non-virtual, then consider HPe Data…

Xen support has been around for a while. I remember using it when I was in China in 2012. It's just a bunch of scripts to use as pre-exec and post-exec commands on a filesystem backup. You can find them on the DP7 or DP8.0 media (there's a folder called "Xen"). If you can't…