asd123 1 Posted March 6, 2016 I'm trying to host servers for me to co-op with friends, but even though UPnP works fine: http://puu.sh/nwYA3/fc586188dd.png When they try to join me they get a server not responding error.. how do i fix this ? Share this post Link to post Share on other sites
SavageCDN 231 Posted March 7, 2016 Remove your router/firewall from the equation - ie: if the unit has a DMZ option try that to rule out any firewall issues. I can't recall but maybe A3 needs UDP/TCP? Share this post Link to post Share on other sites
