Which RADIUS protocol is support on NPS server 2016

Gloria Gu 3,811 Reputation points
2020-07-15T03:30:57.903+00:00

We need protocol V2 - due to passwords longer tzhan 16 chars.

Is Radius on NPS defaulting to V1?

Is it possible to change to V2 and where?

Thread source link: https://social.technet.microsoft.com/Forums/zh-CN/6420f4a4-0b98-4f30-982f-4d6b40f61d87/which-radius-protocol-is-support-on-nps-server-2016?forum=winserverNAP

Windows Server
Windows Server
A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.
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  1. Candy Luo 12,456 Reputation points
    2020-07-15T05:53:00.467+00:00

    Hi ,

    Welcome to our new Microsoft Q&A Platform.

    https://learn.microsoft.com/en-us/windows/win32/nps/ias-radius-authentication-and-accounting

    According to Microsoft official document, NPS fully supports RFC 2865. Based on my research, RFC 2865 should be version 2.0 and RFC 2138 should be version 1.0. Radius version 1.0 limits authentication to 16 character passwords, while radius version 2.0 supports more than 16 character passwords.

    For more details about RFC 2865, please refer to the link below:

    https://tools.ietf.org/html/rfc2865

    Best Regards,

    Candy

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