i need help with this

hi all
i make metin2 praviat server with hamachi network and the game work in my copmuter . then i copy the game and past it in my friend computer ,when he logging in he said to him ''faild to conect to the server''
can any one help me :(( :(

Have you the Portmaps Online and in the mc.txt your Hamachi IP without .100 ? and your firewall off?