Yesterday, I was not able to create a multiplayer game with my niece. She was connected to the internet from her house and I from mine. When either one of us hosted a multiplayer game, the other could see it under "Browse public games", but we could not connect. We got the "Couldn't establish ...

I am trying to set up a multiplayer game with my niece. When I create a game and she tries to connect, she gets the "Couldn't establish network communication with server" error. When she creates a game and I try to connect, I get the same error. I have configured my router for forwarding on port ...