Probe Agent can not communicate with Citrix Gateway with port 5000

Error "Failed to authenticate Citrix Gateway credentials" raises if non 443 port is used in the FQDN of Citrix Gateway URL...

Error "Couldn't connect to server 'https://gwfqdn:non-443' when log on to non-443 port vpn vserver

You may get the following error message"Couldn't connect to server 'https://gwfqdn:non-443'; while attempting to log on to non-443 port NetScaler Gateway virtual server using the latest Windows Secure Access Client. :...