We have F5 LTM 10.4.2 HF3 that is currently Load Balancing Citrix Web Interface servers. Our group that handles the Citrix environment is looking at Citrix Cloud Gateway (StoreFront) since the Secur...
I would try modifying the receive string of your health monitor to "Citrix Receiver" and see if your health monitor comes up. If that does not help, can you post the send string used?