RADIUS authentication fails on Microsoft Network Policy Server (NPS)

RADIUS authentication fails on Microsoft Network Policy Server (NPS)

19125
Created On 09/26/18 13:47 PM - Last Modified 06/09/23 09:14 AM


Symptom


Symptoms

RADIUS authentication fails when Microsoft Network Policy Server (NPS) passwords contain accented characters.

For example: ó, ò, ñ

Diagnosis

NPS does not encode RADIUS password in UTF-8 as expected by RFC286.

 

NPS is encoding password in EASCII.

 

As we comply with RFC, passwords will mismatch when received and checked by Palo Alto Networks firewall authentication daemon (authd).

Resolution


Avoid using any accented characters in the NPS password.
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