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franga92's avatar
franga92
Copper Contributor
Aug 11, 2025

Wireless secure Windows server 2022

Hello everyone,

I am trying to implement ‘wireless secure’ in my domain. I have followed various guides and everything seems to be configured correctly, but I keep getting this error:
Reason: Explicit EAP error received
Error: 0x40420016
EAP reason: 0x40420016
EAP root cause string: Network authentication failed\nThe authentication method required to connect to the network is not available in Windows.
 
EAP error: 0x40420016

I have verified that communication via AP-WLC-NPS is working correctly, but it is unable to authenticate via eap-tls.

Do you have any suggestions? I have collected several logs, but many of them may not be necessary.

Thank you for your support.

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