Cpanel Supported Virtual Environments.
KVM
Linux-VServer
Microsoft Server® 2008 Hyper-V
OpenVZ (stable releases only)
Oracle VM VirtualBox, VirtualBox OSE
Virtuozzo™
VMware® Server, VMware® ESX Server
Xen, XenEnterprise™, XenExpress™, XenServer™
cPanel does not support VPS licenses for the FreeBSD operating system.
cPanel does not support 32-bit Virtual Environments that run on a 64-bit host kernel.
cPanel supports the drivers and configurations provided by Microsoft.
Cpanel supported virtual environments and supported operating systems
Supported Virtual Environments1, 2
KVM
Linux-VServer
Microsoft Server® 2008 Hyper-V3
OpenVZ (stable releases only)
Oracle VM VirtualBox, VirtualBox OSE
Virtuozzo™
VMware® Server, VMware® ESX Server
Xen, XenEnterprise™, XenExpress™, XenServer™
Supported Operating Systems
(i386 and x86-64 ONLY)
CentOS versions 4.x, 5.x
Red Hat® Enterprise Linux® versions 4.x, 5.x
FreeBSD®-RELEASE versions 7.3, 8.0, 8.1
cPanel does not support VPS licenses for the FreeBSD operating system.
cPanel does not support 32-bit Virtual Environments that run on a 64-bit host kernel.
cPanel supports the drivers and configurations provided by Microsoft.
Reference: http://cpanel.net/