How to Fix ERR_TUNNEL_CONNECTION_FAILED in Google Chrome?

The Err Tunnel Connection Failed message appears on the Google Chrome browser when it is unable to create a connection tunnel with the website’s host or when it fails to connect to the internet. This error is typically caused by using a proxy to access the internet.

What is Err_Tunnel_Connection_Failed Chrome Error Message?

The ERR_TUNNEL_CONNECTION_FAILED error message usually points towards an issue with either the proxy or Domain Name System (DNS). If you encounter this error, there are four possible ways to fix it.

If you encounter the “err_tunnel_connection_failed” error message in Google Chrome, it means that the browser is unable to establish a connection with your website. To resolve this issue, you need to examine your connection settings and make any necessary modifications. In this guide, we will walk you through the steps to fix this error.

How to Fix Err_Tunnel_Connection_Failed Error Message on Google Chrome?

The error message failed network error chrome may be solved by going in proxy settings but sometimes this may not work and other methods may need. There are some steps that need to be followed for solving this error issue.

Method 1: Displaying Proxy Setting

In Google Chrome, the first and foremost way to fix this error is displaying proxy settings and it would be the simplest and easiest step. The chances of error showing increase when proxy settings are used in the Google Chrome browser of your computer. To resolve the problem of err tunnel connection failed error, a change in the proxy settings is required on your computer and you have to follow some steps:

• Click on the keyboard Windows Key + R and now RUN. 
• In the RUN type inetcpl.cpl and press Enter or OK button.
• Open the Internet Properties and click on the Connection tab.
• Select the LAN settings options.
• Unselect the option ‘Use a proxy server for your LAN’ in the LAN settings. 
• Select Automatically detect settings and then click the OK button.

Close all windows and restart the computer again. After that open Google Chrome and connect to the internet for checking whether the error is displaying or not. This method mostly solves this error.

Method 2: Reset Network Setting

Resetting the network settings is another method to solve internet error Err_Tunnel_Connection_Failed on Google Chrome. You need to flush out the DNS and reset your TCP or IP address.

• Open command prompt option in the Administrator mode.
• Press the Windows button and go to Start Menu.
• In the Start Search bar, type Command prompt.
• The command prompt will appear in the search result on which you have to do right-click.
• Select Run as Administrator option.
• Type commands in the command prompt option in Administrator mode such as IPCONFIG /FLUSHDNS; NBTSTAT –R; NETSH INT IP RESET; NETSH WINSOCK RESET. 
• Restart your computer and open Google Chrome and check whether Err_Tunnel_Connection_Failed error occurs or not.

Method 3: Change DNS Address

DNS server address can be obtained automatically by the IPv4 DNS address which is present in the computer. It will also help to set DNA addresses and provide Internet Service Provider (ISP). The possibility of getting the error on Google Chrome increases if the DNS address will not set properly. You can try some ways to fix this error.

• Taskbar located on the bottom right side of the computer screen, click on the Network icon.
• Now open Network and Sharing Center.
• Go to Option and choose the active networks option.
• Select the network which you are using currently.
• Internet Connection Status will open.
• Now select the Properties option.
• Select the network tab and select internet protocol version 4 present in the list.
• Now in the IPv4, you can see that whether DNA is set to obtain automatically or not.
• One DNS server address should be selected.
• Tick on the Validate settings after setting the DNS address.
• Click on the OK button.
• Now restart your computer and check the error on Google Chrome.

Method 4: Clear Browsing Data

Try another web browser like Mozilla Firefox for accessing the internet. If you failed to see the error message on another browser, then the mail culprit is the web browser. The browsing data may be stored in the browser because of which error is occurring.

• Type Chrome://settings in the URL bar of Google Chrome and press Enter. 
• The settings option will open up, scroll down and select the Advanced option.
• Click on the Privacy and Security section and clear browsing data.
• Select the data and clear it from the Chrome browser.
• Restart your computer and open Google Chrome for checking the error message. 

Method 5: Reset Google Chrome Settings

For solving the error, reset the settings of the Chrome browser:

• Go to the Advanced settings option.
• Select the Reset and clean up section and restore the settings to the original default option.
• After completing the reset in your computer, restart your computer and open the Google Chrome browser to check whether the error message is occurring now or not.

Method 6: Update Google Chrome Browser

The Err_Tunnel_Connection_Failed error message will display if Google Chrome is not updated to its latest version. Check the Google Chrome is updated or not by doing some steps:

• Click on the three dots present on the right top corner of Google Chrome and go to the help section and click on About Google Chrome.
• Now start to look for the new version of Google Chrome. 
• If the Google Chrome version is old, then update the Chrome version to the new one.
• Restart your computer once Chrome updated and check the error is displaying or not.

To summarise, the “err tunnel connection failed” error message is a proxy issue often seen in Google Chrome that limits internet access. It takes place when a “tunnel” is obstructed or fails. Please let us know in the comments section below if any of these alternatives resolved the problem.