Step 1: Download Fortinet VPN
Step 2: Open VPN and find the lock symbol on the right side of the screen.
When the lock is pressed it will disappear, indicating the settings can now be updated.
Step 3: Press the cog button located in the same row of symbols
Step 4: Select the "Restore" option in the System - Backup and Restore section
Step 5: Restore the correct config file, this is usually located on the server.
Step 6: Get the user to sign in and test the config has worked.