Hey guys just like a little help with medl of honour 1.

Ibought the game like 2 days go to play multiplayer but whenever i go on to server it comes with the disconnection message "The server host hs disconnected you" so i went on filter and disabled rank servers nd i could ply the 3 servers that were unranked, but i want to be able to play the servers that have plenty of people, So i ask how do i rank up or somkething like that or do the hosts of ll the servers hate me alot
Btw my "A" button is not working that well sorry