Here are suggestion to resolve a common problem with Windows 7 connectivity concerning IPv6 – Check for compatibility – Update driver network adapter – Go to Device Manager – View Hidden Devices and click on + icon to Expand Network Adapter. From here, you can either:

To remove all user-configured IPv6 settings and restore the IPv6 configuration of a computer to its default state, type the following command. netsh interface ipv6 reset. You must reboot the computer for this command to take effect. Upcoming sections: Displaying Teredo Client Status; Troubleshooting IPv6 Connectivity; Planning for IPv6 Migration How to fix a limited connectivity problem on a Windows 7 Dec 05, 2016 No ipv6 connectivity? | Yahoo Answers

Disabling IPv6 on Windows 7 PCs provides no additional security or any other real value to a network. And leaving IPv6 enabled on these PCs enables certain valuable Windows features to work properly. So the bottom line is, don’t disable IPv6 on Windows 7 PCs unless you can justify your decision with a more compelling reason than “But I

Based on your comments, I think the reason you are seeing the message you are seeing is because there are no other Windows Vista or Windows 7 machines on your network (or any other machines designed for link local IPv6). These are the possible states: No network access - No DHCP server… How To Disable IPv6 On Windows 7 - InformationWeek If you're running Windows 7 in a networked environment, by default you have an auto-configured IPv6 connection to your network. IPv6 is the next-generation addressing system planned for the Internet, necessary because the current addressing scheme, IPv4, has run out of addresses.

IPv6 Setup Guides: Windows 7 | IT@UMN | The people behind

Resetting IPv6 Configuration - Windows 7 Tutorial To remove all user-configured IPv6 settings and restore the IPv6 configuration of a computer to its default state, type the following command. netsh interface ipv6 reset. You must reboot the computer for this command to take effect. Upcoming sections: Displaying Teredo Client Status; Troubleshooting IPv6 Connectivity; Planning for IPv6 Migration