To connect to a PPTP server over a LAN connection
1. In My Computer, double-click Dial-up Networking.
2. Click More and select User Preferences. On the Appearance tab, clear the Close on dial checkbox, and then click OK.
3. In the Dial-Up Networking dialog box, click the drop-down arrow in the Phonebook entry to dial list to select the entry for your PPTP server.
4. Click Dial.