Texas Tech University.
TTU Home IT Division IT Help Central

Modify an Existing VPN Connection

To modify an existing PPTP VPN connection for IPsec/L2TP, please following the instructions below:

Windows XP:

STEP 1:  Go to Start -> Control Panel.


STEP 2:  Double-click Network Connections.


STEP 3:  Right-click your existing PPTP VPN connection, then click Properties.


STEP 4:  Click the Networking tab. Set the Type of VPN server to L2TP IPSec VPN.


STEP 5:  Click the Security tab. Verify the following, then click IPSec Settings.


STEP 6: Check Use pre-shared key for authentication.  Enter the following key: TTUnetVPN. Click OK on all preceding windows.

NOTE:  The key is case sensitive.