For instance, if you are using a wireless network, change it to a wired connection). If the Internet speed is slow, you should switch a network. Check your network status once you encounter the Sons of the Forest multiplayer not working issue.Īfter checking the Internet is connected, test your network speed with services like SPEEDTEST,, SPEEDCHECK, etc. To play Sons of the Forest in multiplayer mode smoothly, you should ensure that you have a fast and stable Internet connection. Method 5: Whitelist on Windows Firewall.Method 3: Restart the Game and Even the Device.Method 2: Check If the Game Server Is Down.Method 1: Check the Internet Connection.Try them one by one until the multiplayer works again. Here, MiniTool provides you with 5 available methods. Pay attention to this post if the Sons of the Forest multiplayer not working issue happens to you.