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12/2/2025 3:12:23 AM
3
Cannot Co-Op from Same House
Wife and I love D2 but stepped away for a while because life is busy.
We decided to come back for Renegades... at least until I started having a ton of issues with network errors (weasel). I have removed a DMZ zone, enabled/disabled UPnP, enabled/disabled UPnP NAT-T State, enabled/disabled port forwarding, but none of this has helped. We both show Open NAT Types in-game with UPnP/NAT-T enabled, but get hit with network errors when we try to play together.
I have never had these issues before. We've played co-op for years before and have never gone through this. What are we supposed to do to just play together again?
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2 RepliesEdited by Crisidelm: 12/2/2025 2:40:34 PMNAT-T is not useful in your case. Your setup can only work with UPnP (not port-forwarding or DMZ). Make sure each gaming device (be it a PC or a console; by the way, which is it?) uses DHCP. Make sure there are no "strange" Firewall rules.
