The old VPN settings will look like this:
To change the settings to the new vpn click on the three lines on the right of vpn name.
After that you will need to click the option that says "Edit the selected connection". From there you will need to check the box next to "Enable Single Sign On (SSO) for VPN Tunnel " and then click save. This will take you back to the home page which will look different. And you will need to click on "SAML Login" and go through the steps to log in.
It should look like this:
Afterwords the connection screen should look like this:
