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Modify an Existing VPN Connection

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

Windows Vista:

STEP 1: Click the Start Button.  Right-click on Network and click Properties.


STEP 2: Click Manage network connections.


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


STEP 4: Click on the Security tab, then change the following:


STEP 5: Click on the Networking tab. Change the Type of VPN to L2TP IPsec VPN, then click IPsec Settings.


STEP 6: Click Use preshared key for authentication.  Enter TTUnetVPN for the key. Click OK on all preceding windows.

NOTE: The key is case sensitive.