Citrix XenDesktop 5.6: Desktop Studio error: Object reference not set to an instance of an object. reload the snap-in to retry.

Issue: Upon first launch of Desktop Studio just after installation you’ll be presented with error message: “Object reference not set to an instance of an object. reload the snap-in to retry.”   Cause: Because “CitrixConfigurationService” service is NOT running on your system.  In the eventvwr you’ll notice that reason why this service failing to startup.  The most probable cause is that “This computer is not joined to a domain; these services cannot be run outside of a domain.” Log Name:      Application Source:        CitrixConfigurationService Date:          7/24/2013 11:02:02 AM Event ID:      1016 Task Category: None Level:         Error Keywords:      Classic User:          N/A Computer:      […]

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Fix installing Citrix XenDesktop 5.6: “This component cannot be installed on this machine”

During installation of Citrix XenDesktop, you may come across the below scenario where installer says many of the core XenDesktop components: “This component cannot be installed on this machine” as shown below   Possible causes: This usually happens if the system that you chosen already running some version of the same components or as part of other application running the same components (for example it may be already running Web Interface role for XenApp).  This most possibly happens on systems that running XenApp.   Fixes: In my case I ended up uninstalling XenApp 6.5 from my test server and then […]

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