Well, an update here. After opening a case with Meraki, support couldn't help me. They suggested to call Cisco engineer. After some tests, we found out that creating a user using the User Management portal and giving them authorization there will also create a user for them in the Client VPN page, granted, without authorization. In this case, the API call deleteNetworkMerakiAuthUser works (the user will be deauthorized). If the same user is authorized on both User management and Client VPN pages, the call will throw the mentioned error networks, deleteNetworkMerakiAuthUser - 404 Not Found, {'errors': ['Wired networks must have Client VPN enabled']} Basically, thats not something we want. We want to deauthorize them from using the Client VPN.
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