Appdynamics is adding all those applications which is delete from AppPool with its own tire name.
https://community.appdynamics.com/t5/NET-Agent-Installation/Creating-Tiers-Manually-via-Appdynamics-Agent-Configuration/m-p/31942#M708 Appdynamics is adding applications from IIS along with all those applictaion which are deleted from IIS. I had on...