Most of the time, when you connect to the network your system gets an IPv4 or IPv6 address or both. When your system doesn’t get connected to the IPv6 address it will show the “IPv6 Connectivity- No network access” error in Windows 10. This error can be caused by corrupt network drivers, when IP Helper service is not started, because of the incorrect configuration made by Winsock, or IPv6 compatibility issues.

This write-up will demonstrate various solutions to fix the mentioned IPv6 connectivity issue.

How to Fix the “IPv6 Connectivity- No network access” Error in Windows 10?

To fix the stated network error, try the following fixes:

• Uncheck IPv6 Settings
• Start IP Helper Service
• Reinstall the Network Driver
• Reset IPv6 and Winsock

Method 1: Uncheck IPv6 Settings

Unmark the “Internet Protocol Version 6” checkbox from the “Wi-Fi Properties” by following the step-by-step instructions provided below.

Step 1: Open Network Connections

Click “Windows+R” to launch the Run box. Now, launch “Network Connections” by typing “ncpa.cpl” in the opened box:

Step 2: Open the Properties of the Network Adapter

Then, Right-click on the “Network Adapter” and open the “Properties”:

Step 3: Uncheck IPv6

Locate the “Internet Protocol Version 6” and unmark the checkbox next to it:

Method 2: Start IP Helper Service

“IP Helper” enables applications to receive information and data about the configuration of the network that the computer system is connected to. To start the IP Helper service, check out the given instructions.

Step 1: Open Services

Type “Services” in the Startup menu’s search box and press enter to open System Services:

Step 2: Locate IP Helper

Scroll down till you find “IP Helper” as shown below:

Step 3: Open Properties of IP Helper

Open “Properties” of the “IP Helper” by either double-clicking it or right-clicking it and choose “Properties” properties:

Step 4: Automatic Startup

Set “Startup Type” by choosing the option “Automatic”:

Step 5: Start the Service

Now, check out the option “Service Status” that will be “running”. If it’s not running, hit on the “Start” button:

Method 3: Reinstall the Network Driver

Reinstalling the network driver can also assist in fixing the discussed issue.

Step 1: Open the Device Manager

Start the “Device Manager” from the Startup menu as shown below:

Step 2: Expand Network Adapters

Click on “Network adapters” to expand it and see all the installed and connected network adapters:

Step 3: Uninstall Device

To uninstall the Device, right-click on the network adapter and hit on “Uninstall device”:

Step 4:Scan/ Check for Hardware Changes

After the uninstall process is complete, click on the “Scan for Hardware Changes” button as shown below to let windows install the drivers:

Method 4: Reset IPv6 and Winsock

Winsock is a Windows socket API that is utilized as a means of communication between both network software and services. Therefore, reset IPv6 and Winsock by following the instructions provided below.

Step 1: Start Command Prompt as Administrator

Start the “Run” box by pressing the ”Windows+R” keys on your keyboard. Now, run “Command Prompt” as administrator by typing “cmd” in the Run box and pressing the “CTRL+SHIFT+ENTER” keys:

Step 2: Flush DNS

Now, flush the DNS with the help of the following command:

Then, check out the NetBIOS information:

Reset the IP address:

Next, reset the winsock reset service:

Now, reset the winsock catalog:

Lastly, remove and reinstall the TCP/IP log:

Reboot your system and the stated connectivity issue will get resolved.

Conclusion

The “IPv6 Connectivity- No network access” Windows 10 error can be solved by utilizing various methods. These methods include unchecking the IPv6 settings, starting the IP helper service, reinstalling the network driver, or resetting the IPv6 and Winsock. This write-up guided about fixing the specified IPV6 connectivity issue.