Step -1:- Go to  /home/fes/public/defaultclientsettings.js and Set below settings


VPN_JAVA_DISABLE_IPV6_REDIRECTION=true
VPN_UPDATE_JAVA_DEPLOYMENT_PROPERTIES=true


Step 2:-  Java (properties) > Security > Exception List > Add the Server address(Usr base Machine)


Step-3:- Use Client version 5.2.3.8232 or above