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Call of Duty Modern Warfare Connection Failed Fix

In my experience playing Call of Duty Modern Warfare, I have encountered frustrating connection issues that disrupt my gameplay. In this article, I will provide a comprehensive guide on how to fix the “Connection Failed” error in Call of Duty Modern Warfare.

Verify Server Status and Log-in Surges

Server Status Log-in Surges
Online No
Offline Yes

Perform Basic Troubleshooting and Network Optimizations

First, ensure that your internet connection is stable and working properly. Check if other devices can connect to the internet without any issues.

Next, restart your router and modem to refresh the network connection. Sometimes, a simple reboot can resolve connectivity problems.

If the issue persists, try changing your DNS settings to Google Public DNS. This can sometimes improve network performance and connectivity.

Additionally, make sure your firewall and antivirus software are not blocking the game’s connection. Temporarily disable them to see if it resolves the problem.

If you are still experiencing connection failures, contact Activision’s technical support for further assistance. They may provide more specific solutions tailored to your setup.

Adjust Network Settings: DNS, VPN, and Firewall

Network settings menu with options for DNS, VPN, and firewall.

To fix connection issues in Call of Duty Modern Warfare, start by adjusting your network settings. First, try changing your DNS settings to Google Public DNS for a more reliable connection. To do this, open your network settings, locate the DNS section, and input the following addresses: and

Next, check your VPN settings if you are using one. Disable the VPN temporarily to see if it resolves the connection problem. Additionally, review your firewall settings and ensure that Call of Duty Modern Warfare has the necessary permissions to access the internet.

If you continue to experience issues, consider reaching out to your internet service provider for further assistance. Troubleshooting network settings can often resolve connection failed errors in online games like Call of Duty Modern Warfare.

Contact Support and Ensure Game Integrity

To fix the “Connection Failed” issue in Call of Duty Modern Warfare, contact technical support to address any potential server problems or network issues. It’s important to ensure game integrity by verifying the game files through the launcher or platform of your choice.

If the issue persists, try restarting your router and modem to refresh the connection to the game servers. Make sure your Wi-Fi connection is stable and not causing any interruptions to your gameplay.

Additionally, check for any device driver updates or Windows updates that may be affecting your connection. Sometimes, a simple reboot of your computer can resolve connectivity issues.


Why can’t i connect online Call of Duty Modern Warfare?

I can’t connect online to Call of Duty Modern Warfare because there may be persistent connectivity issues. Resetting the router can help alleviate temporary network problems. Look for the reset button on your router, usually a small hole, press and hold it for 10-15 seconds, wait for the router to reboot, and then attempt to connect to the game again.

Why is COD Modern Warfare not working?

COD Modern Warfare may not be working due to corrupted cache data on your console. Try clearing the cache to fix the issue.

Why does Warzone 2 keep saying connection failed?

Warzone 2 keeps saying connection failed because a bug may have infiltrated the network and disrupted the internet connection. Try restarting your personal computer and rebooting your modem or router by removing the power cord for one minute.

How to fix connection failed in MW3?

To fix the connection failed issue in MW3, you can start by checking and boosting your Internet connection. Additionally, consider turning off Windows Defender Firewall and downloading Game Booster to address any Steam connection errors. If the issue persists, reach out to Activision Support for further assistance.

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