Failed to authenticate the connection to a Minecraft server.

[Ronaldhildebrandt]

Friends, welcome. What's up? This is my first post in this topic as a new user and it is for a need. I've been having a difficulty for the past few days. My inability to resolve the Minecraft failed to authenticate my Connection issue is the issue. I have no idea why this is taking place or how to fix the problem. Who can help me with this problem and how to fix it? I would appreciate any assistance.

 

[Plaxima Studio]

Set "online-mode" to false in the server.properties file

 

[Ronaldhildebrandt]

I appreciate your response and your proposal. You are correct; the trick is effective. I looked up some solutions for this problem on Google (one example can be found here). The Google lists a number of techniques. But all Minecraft fans can benefit greatly from one trick. Also known as "Allow Minecraft Traffic Through Windows Defender Firewall." After that, I put the process into practice, and it is succeeding. Once more, many thanks.