Unable to identify host on zabbix server. Setup (host--> proxy --> server)

[charlot.attard]

Hello,

I am trying to install zabbix 3.4.4. I have successfully installed zabbix agent on a host. Zabbix proxy on another host and Zabbix server on another host. When I connected zabbix agent directly with zabbix server. The Zabbix server was able to identify the host, but when I try...