Add-VpnConnection -AllUserConnection -Name "VPN Name" -ServerAddress "CLIENTADDRESS.dynamic-m.com" -TunnelType "L2tp" -EncryptionLevel "Optional" -AuthenticationMethod "PAP" -L2tpPsk "PSK-Password" -Force -PassThru -RememberCredential

Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\PolicyAgent" -Name "AssumeUDPEncapsulationContextOnSendRule" -Value 2 -Force