I did see this post but this issue does not apply to my issue. The problem is that the VPN adapter times out before it has a chance to reach the secondary RADIUS server listed in the MX. The user also has to have enough time to approve the DUO MFA request on their mobile device. As I mentioned the server does work if I place it first in the list. Ive contacted both Duo and Meraki. Meraki tried to play with the time out value from the Meraki side but its the VPN adapter on Windows computer that closes the session first. ... View more