Mar 26 2011   1:37AM GMT

IPV6 on Windows 7

Subhendu Sen Subhendu Sen Profile: Subhendu Sen

What is wonderful that, Windows 7 comes with built-in Ipv6, which uses two kinds of network applications…. the first which I am going to discuss about HOMEGROUP

It is best fits for small business that does not have Active Directory or useful for peer-to-peer networking. It is better to keep in mind about several problems before going to implement it, as described here:

If there is necessary to manage resources (like file sharing / printer sharing) with Linux; Mac OS; XP; and even Vista, this creates much more trouble for this kind of network even you make Windows 7 as tiny server with full rights. It is recommended that, if you need that type of work, go for Windows 2008 or at least windows 2003 or Linux Server (preferably Red Hat / SuSE).

And if you want for truly cost effective solution, then move for NAS (Network Attached Storage).

Another problem is that, when you join / create HomeGroup, it is possible to create only one with any flavour of Windows 7 (Home Premium; Professional; Enterprise or even Ultimate). That is why, you never use HomeGroup as a drop-in-replacement for existing XP’s peer-to-peer network until Microsoft will launch any new way for this.

Click Control Panel > Network Connections and right-click the adapter to access its Properties and what you see the Ipv4 has connectivity where Ipv6 has “No network access” !

If the situation is like this, you may follow the following easy steps….

  1. Start > regedit (type in Search Box) > User Account Control > Continue
  2. When the Registry Editor opens, try to locate the registry entry like


  1. Now modify DisabledComponents by double-clicking
  2. Put 0 on all Ipv6 components (0 means enable) and click OK

Note: It is strongly recommended, to take important backup / registry before going to work with Registry !

Next reboot Windows 7 to make it ready to set up for HomeGroup network !

And the second is DIRECT ACCES, which is the most enhanced feature in Windows 7 Ipv6 mechanism and as well as Windows Server 2008 R2. As I have a practical experience to work with this unique feature and from my point of view, it has the same purpose as Virtual Private Network (VPN), i.e., it allows users to connect securely to the corporate network through the Internet. Unfortunately, this wonderful feature only you can get with Windows 7 Enterprise and Ultimate flavors. It is a great combination when Windows Server 2003 / Windows Server 2008 used Ipv6 with Internet Protocol Security or IPSec considering Windows 7.

There are several advantages with DirectAccess….

It can optimize the performance both Windows 7 as client and Data-center’s network.

It does not need to have or run native Ipv6 on network to use DirectAccess.

It Works together with NAP (Network Access Protection) and NAC (Network Access Control) solutions.

It is not necessary to reconnect if the Internet connection failure.

As I mentioned about the great combination, Windows Server 2008 and Windows 7 both come with a unique mechanism called “IP-HTTPS” support. I am not going to write here much about this topic, only for a little information that, IP-HTTPS is a tunneling protocol that tunnels Ipv6 packets to hide inside an Ipv4 based HTTPS session. To use this unique Ipv6’s feature, you have to do a little task here:

It can be done through GPO for DirectAccess Windows 7 computers by….

  1. Click Start > Control Panel > Administrative Tools > Group Policy Management
  2. In New DirectAccess client GPO, click to Computer Configuration\Policies\Administrative Templates\Network\Network Connections\Route
  3. Click Edit policy setting > click Enabled and after that click OK
  4. Now use Web proxy server to available it. If Web does not support Ipv6, use MicroSoft Forefront Unified Access Gateway (UAG) feature. It transalates to Ipv4 based requests.

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