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Couldn't establish network communication with server error.
Posted: Sun Jul 03, 2016 6:02 pm
by paradoxgang
Over the month I've been playing on my friends server (fully dedicated) and I had no issue at all, he hosts teamspeak and other game servers on his server too like space engineers and minecraft for example and I can connect to it fine but only Factorio I can't connect as it always gives me the error which is in the title. It's really annoying and the only times I can connect are randomly when I decide to just give it another shot and just try to connect again hours later where it finally works. It's really annoying because when I try to play with friends they can get in fine but I can't, also I'm not the only one who can't connect sometimes my friends can get in too but sometimes they get the error at first but then after it's fine. The only person lately that is able to get in 100% of the time is the owner of the server, the server isn't hosted on his computer it's on a dedicated server host.
Re: Couldn't establish network communication with server error.
Posted: Fri Jul 15, 2016 9:10 pm
by xavizus
Just a widely guess - The dedicated server is behind a NAT firewall which have a source port randomization enabled.
Re: Couldn't establish network communication with server error.
Posted: Sat Jul 16, 2016 1:31 am
by coronbale
Having the same issue, so are a few others on our network. Here is additional information.
1. The server is set up properly. We have about 9 people who regularly connect to it, so this is not a derp-when-setup user error.
2. This is not one person. Several of our team experienced similar issues.
3. Very possibly linked to the constant DeSync issue. I recently got the DeSync loop where I would connect, download the map, and just as I got into the game I would disconnect, and be given a DeSync error. I would then redownload, reconnect, and repeat. This goes on without end.
4. We are running the current stable version (0.12.35) both on client and server side.