Age of Empires 3 online, "failed to join" message

Well, here it goes:
When im *online* on *Age of Empires 3*, actually called Ensamble
Studios Online(ESO), don't matter which game i pick from the list of the
games i can join, but when i join, a box shows up where it says
"connecting", and instead of taking me to the game, a new box saying
"failed to join game" appears. The strange thing about this, is that i
my self can host a game, and others join it, although i cannot join any
other game. My firewall(Norman antivirus) allows the game, and even when
i turn the firewall off, and then restart the game, same error appears,
so the problem cannot be the firewall... any help would be happily
accepted!!

-capi


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capi