hy .someone can help me i instaled wow +pach +luncher and when i want to connect at server put password and try to connect look like you will connect after 10-15 second they disconnect from server .what i can do?please help i 'm new on this server

hello.i try to connect to server and they disconnect me.what i can do ?i'm a new player on this server but can connect.please help me.thank you