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Ipv6 no internet access

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#1 Christophe_F


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Posted 01 April 2018 - 06:58 AM



I recently noticed (when having issues using NordVPN server) I have no Ipv6 internet access.

IPv6 is enabled on my network adapters (all settings set to automatic) but on all network adapters status I see "no internet access" next to Ipv6.

We have 2 laptops connected to the same router/modem, the 2nd laptop has no problems and has internet access for ipv6.


This is what I tried:

- I updated my NIC drivers (sucessfully)

- installed all latest windows 10 updates (also with sucess)

- temporarely disabled Windows defender firewall and avast anti virus

- temporarely disabled and stopped the IP helper Windows service (services.msc)

- in CMD: "ipconfig /release" followed by "ipconfig /renew"

- in CMD: "netsh winsock reset catalog" + "netsh int ipv6 reset reset.log"

- rebooted serveral times the PC


I find it strange that other computers in our home network have no issues with Ipv6.

Are there other network or Windows settings I need to check on my laptop, or does my network card not support ipv6?

My laptop was a custom built laptop from 2016 - i7 cpu with Win 10 pro installed), I don't know if this makes any difference


Thank you in advance for the help.



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#2 Christophe_F

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Posted 02 April 2018 - 09:13 AM

I checked again on the network adapter of our 2nd laptop I was wrong in my previous post, both devices have no IPv6 internet access on the network adapter.

This morning I also installed andsucessfully tested NordVPN on a (new) virtual machine with the same windows 10 version as my laptop.


So the conclusion is all our laptops (and VM's) in our network have no Ipv6 internet access, so it might not have anything to do with my VPN problem on my laptop.
I will try to figure out by comparing the settings on my laptop to the other laptop or VM.


I was just wondering if all our PC's have "no ipv6 internet access", can this be a problem in the future? (for example if there's a conversion between ipv4 and ipv6?)

#3 Sneakycyber


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Posted 02 April 2018 - 12:32 PM

Does your ISP support IPV6? Is your Router Configured for IPV6?

Chad Mockensturm 

Systems and Network Engineer

Certified CompTia Network +, A +

#4 Christophe_F

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Posted 03 April 2018 - 02:43 PM

Hi Sneakycyber

According to some articles I found my ISP (Proximus) switched to IPV6 in 2013 (WAN side), but I don't think it's possible on the LAN side.

This could explain why I don't have Ipv6 internet access on the local network.


About my VPN problem, I'll try to figure it out this week or next week, it must be some configuration on my laptop only.
I think this topic can be closed as resolved, thanks for the explanation!

Edited by Christophe_F, 03 April 2018 - 02:44 PM.

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