Firewall blocked the incoming & outgoing connections of Minecraft.

Why do you come across this problem? Generally, the LAN not working Minecraft can be caused by following reasons.

The LAN gaming sessions will not show up within the game and thus you cannot play Minecraft with your friends locally. The LAN not working Minecraft issue might come up when you are trying to open up the session to LAN after launch a single player world in the game. When this issue occurs, players can access the internet but cannot use the LAN connection to join friends to play the game. However, many players have reported Minecraft LAN not working issue which is one of the common problems of Minecraft in Windows. It allows users to play with friends in multiplayer mode. It is a fantastic game that is available on various platforms, including Windows, macOS, Linux, Android, Xbox One, Switch, and PlayStation. Minecraft is a sandbox video game that has millions of players. Fix 8: Try Playing Minecraft Without Mods.Fix 5: Temporarily Disable Your Antivirus Software.Check If Minecraft Is Blocked by Windows Firewall

Make Sure that Every Computer Is Connected to the Same Network This post from MiniTool will show you some fixes to Minecraft LAN not working.

When you encounter the Minecraft LAN not working issue on Windows 10, you are unable to play with your friends locally.

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