This Might help    I ran into a problem using the meraki authentication with the vpn client. Had to change the registry setting below to 1. Mapped drives where authenticating with the meraki credentials instead of the domain. Might not apply here but its worth a shot. 1.) You can set the value of the following key to 1, Hkey_Local_Machine\System\CurrentControlSet\Control\Lsa\DisableDomainCreds. This turns off the caching off credentials and forces your domain credentials to be used when accessing resources on both the local and remote network.   https://www.reddit.com/r/meraki/comments/4w07gu/meraki_mx84_client_vpn_cannot_connect_to_mapped/ ... View more