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Every mode of ingress to an internal network needs to be protected and the utilization of NPS as a Radius server is a common method to secure networking devices. According to uCertify (2020), the major functionality that NPS provides Radius clients is the ability for the Radius server to manage network hardware and network access from a central location regardless of what hardware is being used to access the network. An example of this is that it doesn’t matter if a user is trying to authenticate via VPN or a WAP, the Radius server will apply the NPS policies that have been configured for both hardware devices. The Radius server essentially manages access to all networking hardware (Radius Clients). A major benefit to using NPS and Radius is that it can be configured to be used with both an AD DS domain, as well as local SAM accounts. This means policies can be applied to and centrally managed to all Radius clients in the domain (uCertify, 2020). Remote access can also be managed centrally, specifically by centralizing network policy configurations and connection logging/ accounting. Also, if the NPS is integrated with Azure VPN gateway, it is possible to configure multi factor authentication for remote connections (Microsoft, 2019). When configuring a VPN server as a Radius client, Radius provides VPN authentication, accounting for both VPN and DirectAccess (DA), or allows DA to use one-time password instead (uCertify, 2020).