Card miniport Tun #2 in vista?

I run vista Home Basic sp2 and when I check my device drivers, I have an alert next to Microsoft Tun Miniport Adapter #2 with the saying of code 10 error may not start.  What is - this, and how to fix it?  Any help is really appreciated!
Thanx

Everyone in this thread who is having connection problems, here are some measures that should help solve your problems.

To reset the stack TCP/IP go to this article and either click on "Fix it for me" or follow the instructions to fix it yourself:
http://support.Microsoft.com/kb/299357

Disable the IP helpdesk:

1 hold the Windows key and type R, type "services.msc" (without the quotes) and press enter
2. scroll down to the IP assistance service, right-click on it and select Properties
3. in the drop-down list box that says "Automatic" or "Manual", set it to disabled and then click 'apply '.
4. then click on "Stop" to stop the service from running in the current session
5. click on OK to exit the dialog box

Disable IPv6:
Try to uninstall IPv6 on all interfaces, the removal of virtual cards of IPv6 and reset the TCP/IP stack.  To remove the IPv6, go to the properties for each network adapter, and deselect the check box next to the Protocol "Internet Protocol version 6 (TCP/IPv6), which will turn off, or select it and click on uninstall, which withdraw power off the computer.»  Then go into Device Manager and remove any 4to6 adapters, adapters miniport or tunnel adapters.

NOTE: You should do this for each network connection.

Disable the DHCP Broadcast Flag:

Link: http://support.microsoft.com/default.aspx/kb/928233
Important this section, method, or task contains steps that tell you how to modify the registry. However, serious problems can occur if you modify the registry incorrectly. Therefore, make sure that you proceed with caution. For added protection, back up the registry before you edit it. Then you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click on the number below to view the article in the Microsoft Knowledge Base:
322756 (http://support.microsoft.com/kb/322756/ ) how to back up and restore the registry in Windows

Windows Vista cannot obtain an IP address from certain routers or some non-Microsoft DHCP servers
To resolve this issue, disable the DHCP BROADCAST flag in Windows Vista. To do this, follow these steps:
Click Start, type regedit in the search box, and then click regedit in the list programs.
If you are prompted for an administrator password or for confirmation, type your password, or click on continue.
Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\ {GUID}
This registry path, click the (GUID) subkey that corresponds to the card network that is connected to the network.
On the Edit menu, point to new, and then click DWORD (32-bit) value.
In the new area #1, type DhcpConnEnableBcastFlagToggle and press ENTER.
Right-click DhcpConnEnableBcastFlagToggle, then click on modify.
In the value data box, type 1 and then click OK.
Close the registry editor.
By setting this registry key to 1, Windows Vista's trying to get an IP address using the BROADCAST flag in DHCP Discover packets. If that fails, he will try to obtain an IP address without using the BROADCAST flag in DHCP Discover packets.

The only program that I'm aware of that currently relies on IPv6 is the new Windows meeting space. The first 2 changes will cause this program is not to work - but all of your normal (IPv4) connections will leave unaffected. If it causes problems that you can't overcome, simply go back to the original settings.

To clear the DNS cache:
Click Start, type cmd in the search box, and then click cmd in the list programs.
If you are prompted for an administrator password or for confirmation, type your password, or click on continue.
Once at the command prompt, type ipconfig/flushdns

If the connection to a wireless router problems:
Try changing the channel on your router.  Start channel 13 and down one channel at a time.  There is a router from broadcasting in your area on the same channel as yours.

Go to control panel > network and sharing Center. Click on 'manage wireless networks '.
Remove all other networks except yours.
Right-click on your network.
Click on properties.
Open the connection tab.
Make check marks on "connect automatically when this network is in range.
and "Connect even if the network is not broadcasting"; and uncheck
"to connect to a network of preffed more if they are available.

Let us know if this solves your problems.
Thank you

Gloria
Microsoft Answers Support Engineer
Visit our Microsoft answers feedback Forum and let us know what you think.

Tags: Windows

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