Hello,   Check and see if the AP's LAN IP is added to correctly to the RADIUS server, and verify if other different laptops or devices are able to connect to that AP. If no device can connect, I recommend opening a case with Support to have them investigate. ... View more

Hello Kevin,   The following might be relevant: https://developer.apple.com/forums/thread/666399   However, I recommend opening a case with Meraki Support regarding this as they can review some logs taken off one of the affected device and take it from there. ... View more

Hello,   The "Walled Garden" option in the SSID access control page might be useful to you. It does not really redirect users to your webpage when they first connect to the SSID, however, it allows you to manually specify an IP range or domain names users can access prior to sign-on. I don't think it would be possible to redirect to your webpage first before the Meraki splash page.   One other option you can use is the "Where should users go after the splash page?" option in the splash page configuration page, you can use this to redirect users to your web page after they finish with the Meraki splash page. ... View more