Troubleshooting DTLS and EDT on Citrix Gateway

In Citrix Virtual Apps and Desktopsenvironment with EDT enabled and DTLS enabled on the Citrix Gateway VPN vServer, an error may occur when trying to launch an application or desktop.Depending on the scenario, errors message may be : "Cannot connect to the Citrix XenApp Server. Protocol Driver...

Error:"Unable to launch your app....Cannot connect to the Citrix XenApp server. SSL Error 4... The server rejected the connection."

Error: "Unable to launch your application. Contact your help desk with the following information: Cannot connect to the Citrix XenApp server. SSL Error 4: Attempted to connect using the TLS V1.0 | SSL V3.0 protocols. The server rejected the connection" whentrying to launch apps when SSL v3 and TL...