I am looking into the issue people have when trying to host a game on silent hunter 4 online. I have found out that port forwarding is very necessary in alot of cases and in some cases removing norton antivirus will help (though not often with removing norton) i will have the necessary information soon to help anyone having this issue fix it.. things like you having a 999 latency by appearance on the server and so forth as well this adresses.. you will have to obtain all of your computer information.. u can do so by going to your command prompt.. ( hitting start/run) ( or hitting ctrl + alt + R ,i think in vista) i have xp.. sorry..lol.., then typing in "cmd" in the box that pops up.. then type in "ipconfig/all" no parenthesis... it will display your default gateway, ip adress and so forth, write it down.. and your subnet mask too just in case you end up making a static ip connection.. you can get your static ip information from your service provider.. i called bellsouth. you will have to type your ip adress in the internet explorer url line and hit enter.. that will bring you to a page for your router.. in there is where you make the changes.. call your specific router vendor for technical help directly for your specific router.. it's all pretty much the same though regardless of router types.. here is a link to the router ports you will need to adress to. http://www.subsim.com/radioroom/showthread.php?p=509636 remember you will need to make one of each for tcp and udp where it is required since you cannot select "both" as an option in the "virtual server" section of your router profile.. you would end up with a total of about 9 ports if im correct.. and if your on a router and need another person to connect to and host games as well then you will have to add their ip adress instead of yours in the ip adress secion in virtual server.. Whoever is hosting has to have their ip adress in the section that requires and ip adress.. routers pass out private ip's to each person on it and it doesnt change.. I haven't found out how to allow all people to host yet because i cant add multiple ip's for the same setting or it just deletes it when i hit apply as if it's unnecessary due to the fact im using that setting on another ip.. so make a saved setting for each person u want to host and when they want to host, restore their settings. anyway once you set all the ports and set them to "enable" you should be good to go.. well have fun.. this game is so awsome.. if you havent checked it out i so recommend it and im extremely picky about my games..lol.. seriously this one is a keeper.. it is so choice.. and honestly it's like a fresh breath of air to play something so nice looking and original. the graphics and the sheer size alone make it awsome.. sinking huge battleships and monstrous aircraft carriers is of course a plus.. hehe.. they did a great job making sure you know just how huge everything is.. I'm very impressed.. EDIT: also this game uses teamspeak as well.. good stuff..