Thank you for contact Age of Empires 3 support.

In order to best support your inquiry regarding ESO connectivity issues, we have provided some solutions to common questions and concerns related to ESO Connectivity problems. If you are unable to find a solution below, simply reply to this email and our support team will investigate your issue.

The following are links that may provide some assistance when trying to troubleshoot the error message “failed to join” or "Invalid IP Address":
http://www.agecommunity.com/faq_mp.aspx#mpeso
http://forum.agecommunity.com/forums/thread/898022.aspx

For specific connectivity errors, please reply to this email with detailed information about the problem you are experiencing.

Thank you for contacting the Age of Empires 3 Support Team!