Prefix: We have been planning to upgrade our Citrix XenServer from 5.0 to the latest version 6.0. XenServer only permits upgrades from the last major release. For example, in order to upgrade from version 5.0.0 to version 5.6, you must first upgrade version 5.0.0 to version 5.5, and then upgrade version 5.5 to version 5.6,… Continue reading How to upgrade Cirtix Xen 5.0 to 5.5 to 5.6 to 6.0