Pending Connect Failure When Trying To Connect To Single-player/co-op

Game mode: [ Singleplayer ]
Type of issue: [Crash | Bug | Performance | Misc]


Problem started about 7 days ago. Can’t connect to Single-player/co-op with friends, even to start a new game, but, I can connect to my game on the official server. Private server is still there on list, but, every time I try to connect I get “Pending Connection Failure”, " Could not connect to server. Authentication failed!" notice.


Please provide a step-by-step process of how the bug can be reproduced. The more details you provide us with the easier it will be for us to find and fix the bug:
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Hey @fernandesops

Welcome to our community.
When connecting to a coop game please make sure that all ports are forwarded correctly and there’s no firewall interference, both on the host’s side and the clients’ side to avoid possible issues.

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