New instructions on how to convert a fully virtualized, installed UCS system for paravirtualized operation on a Citrix XenServer 6.1 can be found in the Univention Wiki. Users can thus benefit from the direct resource use of the hardware for UCS and, consequently, improved overall performance of the system.
Further information can be found in the Univention Wiki at:
http://wiki.univention.de/index.php?title=Citrix_Xen_Server