Meraki keeps haunting me. I try to setup Client VPN with Windows server 2019 NPL-server. I have followed the guide at https://documentation.meraki.com/MX/Client_VPN/Configuring_RADIUS_Authentication_with_Client_VPN My Meraki is on another site from my AD. They are connected via Site 2 Site non Meraki VPN. It works fine and all traffic flows from Meraki to AD-site. My Meraki can ping the Radius-server from default source. I have opened all ports on the Radius-server, inbound and outbound (just for test). I have checked the shared secret and even changed it to something simple like 12345, and the same in Meraki Dasboard. I have run sc sidtype IAS unrestricted on the Radius-server and rebooted. I have deleted the file %windir%\system32\ias\ias.xml and rebuilt the settings in NPS. I have checked Allow on Network Access Permission on the testusers AD-account and tried to check Control access through NPS Network Policy. I have created a completely new user in my AD just to be sure that nothing "old" is making the error. I have checked the Attribute msRADIUSServiceType so it is empty. I have tried to connect with VPN from my Samsung phone with only data traffic enabled, and not wifi. I have activated logging on the Radius server firewall for dropped connections, nothing is dropped. I have activated logging Audit Policy (Account logon events and Logon events) on my Radius Server but the security logs shows no logging at all about failed connections. I have tried to use different methods in username, domainname.local\username, domainname\username username@domainname.com and just username. I have tried multiple different accounts. Probably tried a number of more things, but no success at all. The error I get is Error 691. Meraki Cloud Authentiaction and AD authentication works . I'm not sure what else I Can try now. Maybe try to install NPS on an old Server 2012R2 just to make sure there is nothing strange with the 2019-server.
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