RESOLVED - unable to enable IPv6 in Windows 7, so unable to connect to the homegroup - ZoneAlarm was the problem

My problem is that I can't turn on IPv6 in Windows 7.

My goal was to set up a homegroup three computers so that I can share a printer that is connected to one of them. They are all running different versions of Windows 7.  A desktop computer has created a homegroup, and a second desktop computer connected successfully to the homegroup and can print using the first computer printer.

The third computer is a portable computer. When you go to the homegroup settings page, it says that the homegroup is available. But this computer is unable to join when you click on the "join" button. The convenience store said IPv6 must be enabled.

Option is checked in the IPv6 network card settings. (The install button is also active and uninstall is dimmed. I don't understand why this should be as I have read that you cannot uninstall IPv6, if it makes sense for the uninstallation to be grey, why install would be an option? Confusion between.)

Here is what seems to be the root of the problem. In the registry settings, in the section IPv6 DisabledComponents is set to 255 (disabled). I change it to 0 (all features enabled), but I can't always connect to the homegroup. I restart the computer and the value 0 is changed back to 255.

I can't activate IPv6, it isn't surprising that the computer cannot join the homegroup as I read that this function requires IPv6.

Can any expert from Microsoft give me some advice on how to operate the homegroup?

Thank you very much.

I have now found the answer to my problem. This is a setting in the free ZoneAlarm firewall. I will describe the solution in the case of meeting other people that.

I have the default setting of the version of ZoneAlarm is that it disables IPv6 when it starts. (I don't know if it's the same for all versions).

Although I tried disabling ZoneAlarm (and my separate anti-virus) so he was trying to set up group residential, just turn it off has no impact on registry settings - DisabledComponents is always set at 255 until you change to 0 and, critically, restart the machine. Then, the parameter 0 (enabled) will come into force. Or so it seems to me as a layman.

But if you did not disable the automatic startup of ZoneAlarm (like me) then as soon as you restart the computer, ZoneAlarm starts too and resets the 255, new registry entry to disable IPv6. If you can't join a homegroup.

The solution is to open ZoneAlarm and choose firewall, hand and advanced. Then you will see the option to activate IPv6 networks. When I didn't do the notebook had no problem joined the homegroup.

I don't know why I have the same problem on the second desktop computer. Maybe it's runnning a later version of ZoneAlarm to allow IPv6 - I haven't checked.

In any case, I spent hours looking for this solution, so I hope that the description above helps someone else that has a parameter of the problem until a homegroup because of what seems ZoneAlarm made IPv6 settings in the registry.

Tags: Windows

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