How do I enable DTLS tunnel on FortiClient? (Windows)

  1. Start the FortiClient application.
    Forticlient Main login screen
  2. Click on the gear icon in the upper-right hand corner of the window
    Forticlient settings gear icon
  3. Under VPN Options, the Preferred DTLS Tunnel should be unchecked. If it is already checked off, then skip to step 7.
    Forticlient VPN options perferred DTLS Tunnel unchecked
  4. Click on the lock icon
    Forticlient click on the lock icon
  5. A security warning appears, click on Yes
    Forticlient security click on Yes
  6. Click on the Preferred DTLS Tunnel checkbox so that it is checked.
    Forticlient check off Preferred DTLS Tunne;
  7. Exit the FortiClient application and restart it. Verify that the Preferred DTLS Tunnel is checked off by going to the gear icon again. If it is, to log in, go back to the House icon