Citrix XenApp: Event 10001 – A usable server cannot be found on which to launch the application. Check your worker group definitions and load balancing policies to verify appropriate servers are assigned

After rebooting my Citrix XenApp server,  I was presented with an error in the application event log for the Citrix application stating the following: “A usable server cannot be found on which to launch the application. Check your worker group definitions and load balancing policies to verify appropriate servers are assigned”. Details blanked out to… Read more »