To create a pre-configured distribution, I would follow these steps.
1. Create an install directory ( example C:\VPN\ )
2. Copy the VPN Client Installer into the install directory
3. Create a subdirectory ( example C:\VPN\sites )
4. Use the VPN Access Manager to export the site definition
5. Copy the exported site definition to <install>\sites
6. Create a subdirectory ( example C:\VPN\certificates )
7. Copy the used certificate file to <install>\certificates
8. Zip the entire install directory up and distribute it
When the VPN Client installer is executed, it will import all sites and certificate
found in the corresponding directories. A user should just have to start the VPN
Access manager and double click on the site icon.