Terraria Lost Connection [FIXED]

Seeing a Lost connection error on Terraria? This is a very common issue that a lot of Terraria players have experienced. But there has been some effective ways to fix this error. In this post, we will show you a list of fixes for your Terraria lost connection issue.

Check your antivirus

Is your antivirus program or firewall interrupting your Terraria connection? If it is, you will see the server connection lost error. You should check your antivirus to make sure it isn’t blocking your game. If you find that the software is blocking Terraria, trying putting the game in the whitelist, or disable the antivirus program temporarily (be careful for what you’re browsing when it’s off). Then see if this fixes the lost connection error.

Check the network you’re connecting to

Your network may be the culprit of your Terraria lost connection issue. To check it, there are a few things you can do:

  • Restart your network devices (router and modem) and computers.
  • Trying connecting to the Internet via your mobile devices as a hotspot.
  • Connect to your friend’s network.
  • Borrow the network devices (router and modem) and use them on your network.

If you find any issues with your network connection during these processes, you may need to contact your Internet service provider for assistance.

Verify your game files

Step 1: Go to your Steam Library.

Step 2: Right click Terraria. Select Properties.


Now run your game and test your Terraria connection lost issue.

Reset your network settings

Step 1: Press Win + R on your keyboard.

Step 2: Type “cmd” and press Ctrl + Shift Enter on your keyboard.

Step 3: Enter the following commands:

ipconfig /flushdns 
ipconfig /renew 
ipconfig /registerdns

Step 4: Close the window and restart your computer. Then test your Terraria connection.

Has any of the fixes above worked for you? Or do you have other effective ways to fix your Terraria lost connection issue with the server was lost error? Tell us by leaving a comment below!

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