Troubleshooting Guide: Fixing "An Existing Connection Was Forcibly Closed by the Remote Host"

This guide provides practical steps to address the common error message "an existing connection was forcibly closed by the remote host," offering solutions for Minecraft players and other applications to resolve connectivity issues efficiently.


By Ellie / Updated on July 12, 2024

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Are you frustrated by the recurring error message "an existing connection was forcibly closed by the remote host" while trying to connect to your favorite online game or application? This troubleshooting guide is here to help you navigate through the complexities of network connectivity issues and resolve this common problem effectively.

An Existing Connection Was Forcibly Closed by the Remote Host

Common Causes of the Error

Encountering the error message "an existing connection was forcibly closed by the remote host" can be perplexing, but understanding its common causes can simplify the troubleshooting process.

1. Network Connectivity Issues

Often, fluctuations in internet connectivity or unstable network conditions can lead to abrupt disconnections, triggering this error message.

2. Firewall or Antivirus Blocking Connections

Firewall or antivirus software may mistakenly identify incoming or outgoing connections as potential threats, leading to the termination of the connection by the remote host.

3. Outdated Network Drivers

Obsolete or malfunctioning network drivers can disrupt communication between your device and the remote server, resulting in connection closures.

Troubleshooting Steps

Follow these step-by-step solutions to troubleshoot and fix the "an existing connection was forcibly closed by the remote host" error effectively.

Step 1: Check Network Connection

Ensure that your device is properly connected to the internet and experiencing stable connectivity. Try accessing other websites or online services to confirm network functionality.

Step 2: Disable Firewall or Antivirus

Temporarily disable firewall or antivirus software and attempt to reconnect to the server or application. Remember to re-enable the security software after troubleshooting.

Step 3: Update Network Drivers

Update your device's network drivers to the latest version available. You can download and install updated drivers from the manufacturer's official website or use built-in driver update utilities.

Step 4: Restart Router and Modem

Power cycle your router and modem by unplugging them from the power source, waiting for a few minutes, and then plugging them back in. This can help refresh the network connection and resolve temporary issues.

Step 5: Flush DNS Cache

Flush the DNS cache on your device to clear any outdated or corrupted DNS records. Open the command prompt as an administrator and type the command "ipconfig /flushdns" followed by pressing Enter.

Fixing the Error in Minecraft

If you encounter the "an existing connection was forcibly closed by the remote host" error specifically while playing Minecraft, try the following solutions tailored for the game.

1. Clearing Minecraft Cache

Clear the cache in your Minecraft launcher to remove any corrupt or outdated files that may be causing connectivity issues. Navigate to the launcher settings and locate the option to clear cache.

2. Updating Minecraft Client

Ensure that your Minecraft client is up to date with the latest patches and updates. Launch the Minecraft launcher and allow it to download and install any available updates automatically.

3. Checking Server Status

Verify the status of the Minecraft server you're trying to connect to. Visit the server's website or check community forums for announcements regarding server maintenance or downtime.

Additional Tips and Considerations

In addition to the aforementioned troubleshooting steps, consider the following tips to enhance your troubleshooting experience and improve connectivity.

Verifying Game Files (for Steam games)

If you encounter similar connectivity issues while playing games on Steam, verify the integrity of game files through the Steam client. This can help identify and repair any corrupted game files.

Running Network Troubleshooter (Windows)

Utilize the built-in network troubleshooter tool in Windows to diagnose and repair common network-related problems. Access the troubleshooter from the Control Panel or Settings menu.


Resolving the "an existing connection was forcibly closed by the remote host" error requires patience and a systematic approach to troubleshooting. By following the outlined steps and implementing targeted solutions, you can overcome connectivity issues and enjoy uninterrupted access to your favorite online games and applications.


1. Why does the error message "an existing connection was forcibly closed by the remote host" occur?

This error typically occurs due to network connectivity issues, firewall or antivirus software blocking connections, or outdated network drivers.

2. How can I fix the error in Minecraft specifically?

To resolve the error in Minecraft, try clearing the game cache, updating the Minecraft client, and verifying the status of the server you're trying to connect to.

3. Are there any additional troubleshooting tips I should consider?

Yes, you can verify game files for Steam games and run the network troubleshooter on Windows to diagnose and resolve connectivity issues effectively.