[MSDN Library June 1998] Two Dial-Up Networking Adapters Appear in Network in Control Panel (22.4769031781227%)
MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Server 4.0 Resource Kit > Windows NT Server Resource Kit - Supplement 2 > Troubleshooting PPTP on Microsoft Clients > Troubleshooting Your PPTP Connection