EAP-TLS Authentication failed

Question

Hello all,

I am currently in the midst of setting up an NPS server and a RADIUS client, specifically my Cisco switch, to enable wired authentication.

Throughout this process, I followed a helpful video tutorial that guides the configuration of RADIUS with EAP-TLS. You can find the tutorial at the following link:

https://www.youtube.com/watch?v=CzmFhCuUj6w

However, I encountered an issue as the authentication failed on my Ethernet port, and no relevant logs were found in the Event Viewer.

Here are the steps I followed during the configuration:

1. Installing and configuring NPS server & Creating policies with the following configurations:

1. Installed the Certificate Authority role on the same server with NPS, generated a certificate, and imported it into the Trusted Root Certification Authority on my Windows endpoint.
2. Configuring the Ethernet properties:

1. Configuring the Cisco switch based on the following Cisco guide:

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9300/software/release/17-3/configuration_guide/sec/b_173_sec_9300_cg/configuring_ieee_802_1x_port_based_authentication.html#id_101606