nps radius

About this tag
The nps radius tag on WindowsForum.com covers discussions about Microsoft's Network Policy Server (NPS) and the RADIUS protocol, primarily in Windows Server environments. A recurring theme is the impact of Windows updates on NPS and RADIUS functionality, such as the May 2022 KB5013943 update that broke certificate-based authentication for NPS, RADIUS, RRAS, and EAP/PEAP flows on domain controllers. Administrators share workarounds and experiences with out-of-band fixes. The tag also includes troubleshooting certificate mapping issues, configuration tips, and deployment scenarios for network access policies. Content focuses on enterprise IT, security, and update-related challenges.

  1. May 2022 KB5013943: Certificate Mapping Breaks NPS and RADIUS on DCs

    Microsoft’s May 2022 cumulative update KB5013943 introduced a certificate-mapping change that briefly broke certificate-based authentication on domain controllers, disrupting Network Policy Server (NPS), RADIUS, RRAS, EAP/PEAP flows and leaving administrators scrambling for workarounds until...
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    • certificate mapping domain controller nps radius windows security
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    • Forum: Windows News