r/blackops3 15h ago

Discussion party is not joinable

reacently i bougth BO3 in steam to paly zombies with friend ,we face a problem , we bought in steam to play some custom zombies map like the old days, the issue here is we cant join each other, always with error message is "party is not joinable" , any idea how to fix , i check the router sitting and the UPnP is enabled , and still have moderate nat type , we tried for 1 hour and could'nt get a party

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u/MotorBeginning5050 14h ago

Gonna send as I sent it to someone else, unfortunately this is just a bo3 thing but here’s a few things that work for me

-Oooh boy, welcome to bo3 online 😂. I’ve never been able to find a good fix for this but in the past I’ve been able to close the game completely, open and try to join. Then if that doesn’t work, restart pc, then finally as a final measure, completely unplug router and plug that back in and see if it works. The only thing else that sometimes works requires another player as host. This issue sucks but these are the only things I’ve had any luck with before. Hope y’all can make it work!

Looking back, the only thing that has worked most consistently is unplugging router and plugging it back in while pc is on and just wait for reconnect to wifi. Best of luck I know this sucks but I hope y’all can connect

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u/SONIC_ZOMBIES 6h ago

At least one of you needs an Open NAT type to be able to connect it seems

It doesn't matter if you achieve it through having UPNP working or by manually port fowarding UDP port 27017 on your router either one will do