There are many ways for this to happen.
1. you have a illegal copy of the game.
2. Your internet is blocking any connection to the game (port forward if so).
3. The game server host is not allowing any random user adds.
Actually, your not getting kicked, your just dc/ing (disconnecting)
because you are not connected to the Internet
Unfortunately, yes there are people who run private servers for world of warcraft. Keep in mind that these servers could be several patches behind the live official servers, and the Game-Masters of these servers follow no rules unlike the official servers. The economy of the private servers is nearly non-existent because of the amount of people on them compared to the official servers.
It's expensive to keep game servers running and produce new content.People are willing to pay for it.
Unfortunately, yes there are people who run private servers for world of warcraft. Keep in mind that these servers could be several patches behind the live official servers, and the Game-Masters of these servers follow no rules unlike the official servers. The economy of the private servers is nearly non-existent because of the amount of people on them compared to the official servers.
It's because private servers are illegal. They're hacking servers. They keep changing so that maplestory doesn't catch them.
There are currently an unknown number of WOW servers used to keep the game running. In the US, there are currently 236 realms divided into 13 battle groups with each battle group working as a server thereby making into 13 servers in the US.
people keep getting worse at the game
They might not want you in, because of your skill level. Also, it may be a clan vs clan match.
becaouse
Probably your Coach might kick you off the game and you probably will get either suspended or kicked out of school
You have to log into single player in order to begin using Multiplayer. Otherwise, you have the wrong IP