Citrix has released 1 update (X86 and X64) called Update 4 for XenDesktop 5.6 Controller side.
Fixed in this release:
Installing, Uninstalling, Upgrading
- Installing Hotfix XD560MISvcWX64003 on Desktop Delivery Controllers in a site with failed provisioning workflows can prevent the Machine Identity Service from starting.
[From XD560ADIDSvcWX64004, XD560ConfSvcWX64004, XD560HostSvcWX64004, XD560MISvcWX64004]<cat_install>[#LA3556]
Server/Site Administration Continue reading “Hotfixes Update 4 for Citrix XenDesktop 5.6 Controller”