Fixing Minecraft Connectivity Issues with Firewall Settings

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Step 1: Accessing Windows Defender Firewall

The 'io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: no further information' error is typically caused by an issue with the Windows Defender Firewall. To resolve this error, you need to allow Minecraft to bypass the firewall. Here's how to access the Windows Defender Firewall:

Click on the search bar in the bottom-left corner of your screen.
Type "firewall" and select the option for Windows Defender Firewall.

Step 2: Allowing Minecraft Through the Firewall

Once you have accessed the Windows Defender Firewall, follow these steps to allow Minecraft through the firewall:

In the left-hand pane of the Windows Defender Firewall window, select Allow an app or feature through Windows Defender Firewall.
Click Change Settings at the top of the window.
Locate any app or feature with the name Java(TM) Platform SE binary (there may be multiple).
Ensure that both Public and Private checkboxes are selected for each instance of the app, as well as the left-most checkbox.

Step 3: Finalizing the Settings and Restarting Minecraft

After allowing Minecraft through the firewall, follow these steps to finalize the settings and restart the game:

Click OK at the bottom of the window and close it.
Restart Minecraft and try to connect to your server.

Additional Troubleshooting Tips

If you have followed these steps correctly, the 'Connection Refused: No Further Information' error should no longer appear when attempting to connect to your server. However, if the error persists, consider the following troubleshooting tips:

Try using a different version of Minecraft by following our guide on changing server types.
Contact your internet service provider to check if there is an issue with your network.

Ensuring a Smooth Minecraft Experience

By following this guide, you should be able to resolve the 'Connection Refused: No Further Information' error in Minecraft on Windows. Allowing the game to bypass the Windows Defender Firewall ensures a smoother gaming experience, free from connectivity issues. Remember to keep your firewall settings up to date and reach out to your internet service provider for further assistance if needed.

Updated on: 12/04/2023