The Wireshark packet capture on the client shows that the Authenticator (Switch), issues a challenge to the client via an EAP Request Identity packet and the client does not respond to the challenge from the Authenticator (Switch).
No response from the client to the 802.1x challenge.
The client computer is not configured for 802.1x authentication. The properties of the interface card is missing the "Authentication" tab which is required for 802.1x authentication.
To resolve this issue, manually start the Wired AutoConfig service (DOT3SVC). To do this, follow these steps:
Lan Enforcer (802.1x Environment), with a Radius Server.