The connection attempt failed because your computer and the remote computer could not agree on PPP control protocol.
Solution:
To resolve this issue, uninstall the TCP/IP protocol, remove the second WAN Miniport IP device, and then reinstall the TCP/IP protocol. To do so, follow these steps:
1. Uninstall the TCP/IP protocol. To do so:
- In Control Panel, double-click Network and Dial-up Connections, right-click Local Area Connection, and then click Properties.
- Under Components checked are used by this connection, click Internet Protocol (TCP/IP), and then click Uninstall.
- Follow the on-screen instructions to uninstall TCP/IP.
- Restart the computer when prompted, but click No if you are prompted to allow Windows to enable a protocol.
2. Right-click
My Computer, and then click
Properties.
3. Click the
Hardware tab, and then click
Device Manager.
4. On the
View menu, click
Show hidden devices.
5. Under
Network adapters, there should be no WAN Miniport IP devices. If a WAN Miniport IP device is listed, continue to the following step. If no WAN Miniport IP device is listed, go directly to step 16.
6. Click
Start, click
Run, type
regedit in the
Open box, and then click
OK.
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
7. Locate the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318}
8. On the
Registry menu, click
Export Registry File, type
backup-key in the
File name box, and then click
Save.
Note: You can restore the changes that you make to this registry key. To do so, double-click the backup-key.reg file that you saved.
9. Click each of the registry subkeys under this key, and then view the
Data column of the
DriverDesc value to determine which of the subkeys corresponds to
WAN Miniport (IP). For example, the
0005 subkey.
10. Right-click the subkey whose
DriverDesc value data is
WAN Miniport (IP) (for example, right-click
0005), and then click
Delete. Click
Yes to confirm that you want to delete the key.
11. Quit Registry Editor.
12. Right-click
My Computer, and then click
Properties.
13. Click the
Hardware tab, and then click
Device Manager.
14. On the
View menu, click
Show hidden devices.
15. Under
Network adapters, right-click
WAN Miniport (IP) and then click
Uninstall. Click
OK to confirm that you want to remove this device.
16. Reinstall the TCP/IP protocol. To do so:
- In Control Panel, double-click Network and Dial-up Connections, right-click Local Area Connection, and then click Properties.
- Click Install.
- In the Select Network Component Type dialog box, click Protocol, and then click Add.
- Under Network Protocol, click Internet Protocol (TCP/IP), and then click OK.
- When the protocol is installed, click Close.
17. Reset the modem by turning the power off and then on, or for an internal modem, restart the computer.
18. Test your Internet connectivity.