Left 4 Dead 2

Left 4 Dead 2

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FlyingPan Feb 14, 2018 @ 9:33am
Lost Connection to Server
When i try to make a private friends only game i put Official dedicated and there are 2 options
either 1- says "Lost connection to Server" or 2- Doesn't even load.

and If i put Local Server it does not work either. Whoever is trying to join says that "X addon is inflicting" when the addon works perfectly fine... I would appreciate any help
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Showing 1-7 of 7 comments
Pandora Feb 14, 2018 @ 10:07am 
1. host best dedicated serv until they fixe official ones
2. If you host local server others need to have same add ons except maybe console thing.
Quagmire Feb 15, 2018 @ 5:21pm 
I'm having the same issues :|
FlyingPan Feb 16, 2018 @ 3:47am 
Originally posted by -2d- Quagmire:
I'm having the same issues :|
Do what Pandora said it worked... you only play one map and then you need to restart the game unfortunately
keif thoimon Jul 25, 2019 @ 12:45am 
ATTENTION

For anyone still having this problem, I had the EXACT same thing. Apparently, I fixed it by port forwarding the ports their server uses.

TCP: 27014-27050
UDP: 4380,27000-27031,27036

If anyone else is still having this problem, at least try this.
HELLPATROL87 Feb 14, 2023 @ 7:05pm 
Originally posted by Sonastro:
ATTENTION

For anyone still having this problem, I had the EXACT same thing. Apparently, I fixed it by port forwarding the ports their server uses.

TCP: 27014-27050
UDP: 4380,27000-27031,27036

If anyone else is still having this problem, at least try this.


Hi there, can you explain what “port forwarding” is and how to do it? I don’t know squat about computers. I’m currently playing on a brand new gaming laptop (asus TUF laptop) with windows 11 64.


I’m having the same problem with L4D2 always crashing during a game, cash while loading a game and glitching out a lot while playing. I have decent internet speed, about 550 mbps. Looking for any help I can get, thanks.
keif thoimon Feb 14, 2023 @ 9:44pm 
It allows your devices on your network to connect over the internet with other public or private servers. Opening specific ports, like for Left 4 Dead 2 here allows you to have a connection to their server. Don't know at all why, and to be honest this was almost 4 years ago; I don't play L4D2 anymore.

If I had any other advice, the basic knowledge you would need to be able to do this is know how to log into your router. Here's a source I believe I used in the past dealing with this problem:
https://portforward.com/left-4-dead-2-server/

Hope I could help.
太好玩了
有了他就不用女朋友了
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Date Posted: Feb 14, 2018 @ 9:33am
Posts: 7