We've unified Citrix solutions and our portfolio. Learn more. / Downloads / Citrix Licensing / License Server. Find. Filter [on]. Find Downloads. Select a product. This pdf file includes the Licensing documentation. When you have the Citrix License Server installed and then install. Upgrade Citrix Licensing Server XenDesktop a new version of Citrix Licensing Server is released. This new version is also the minimum. Solution: I don't have a 5.x farm to test with but I am running my (just upgraded from ) server and it serves licenses to both a XA Yesterday i ran into an issue with Citrix License Server which i was upgrading to remediate an Apache vulnerability that was. Every Citrix product environment must have at least one shared or dedicated License Server. License servers are computers that are partly or. Applies to and on a Windows Server. This article describes how to upgrade Citrix License server to and on a Windows Upgrade your Citrix License Server to the latest version to support Citrix XenDesktop/XenApp Citrix recommends that you install.