Troubleshooting Tip: 'The client could not be authenticated because the Extensible Authentication Protocol (EAP) Type cannot be processed by the server.' error for RADIUS server logs when client failed to connect to Wi-Fi SSID

This article describes an issue with the RADIUS server EAP type that cannot be processed by the server when the user connects to the Wi-Fi SSID. While checking RADIUS server logs, the following logs were observed for the user:

Error logs from Windows:

RADIUS Client:
Client Friendly Name: test
Client IP Address: 10.x.x.x 

Authentication Details:
Connection Request Policy Name: Use Windows authentication for all users
Network Policy Name: Wireless
Authentication Provider: Windows
Authentication Server: xxx.domain.com
Authentication Type: EAP
EAP Type: -
Account Session Identifier: 36363643393238373030314536323245
Logging Results: Accounting information was written to the local log file.
Reason Code: 22
Reason: The client could not be authenticated because the Extensible Authentication Protocol (EAP) Type cannot be processed by the server.