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What's New in DHCP

James McIllece|Last Updated: 1/25/2017
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5 Contributors

Applies To: Windows Server 2016

This topic describes the Dynamic Host Configuration Protocol (DHCP) functionality that is new or changed in Windows Server 2016.

DHCP is an Internet Engineering Task Force (IETF) standard that is designed to reduce the administrative burden and complexity of configuring hosts on a TCP/IP-based network, such as a private intranet. By using the DHCP Server service, the process of configuring TCP/IP on DHCP clients is automatic.

What's new in DHCP

Network Access Protection (NAP) is deprecated in Windows Server 2012 R2, and in Windows Server 2016 the DHCP Server role no longer supports NAP. For more information, see Features Removed or Deprecated in Windows Server 2012 R2.

NAP support was introduced to the DHCP Server role with Windows Server 2008 and is supported in Windows client and server operating systems prior to Windows 10 and Windows Server 2016. The following table summarizes support for NAP in Windows Server.

Operating systemNAP support
Windows Server 2008Supported
Windows Server 2008 R2Supported
Windows Server 2012Supported
Windows Server 2012 R2Supported
Windows Server 2016Not supported

In a NAP deployment, a DHCP server running an operating system that supports NAP can function as a NAP enforcement point for the NAP DHCP enforcement method. For more information about DHCP in NAP, see Checklist: Implementing a DHCP Enforcement Design.

In Windows Server 2016, DHCP servers will not enforce NAP policies, and DHCP scopes cannot be NAP-enabled. DHCP client computers that are also NAP clients will send a statement of health (SoH) with the DHCP request. If the DHCP server is running Windows Server 2016, these requests will be treated as if no SoH is present and will grant a normal DHCP lease. If servers running Windows Server 2016 are RADIUS proxies that forward authentication requests to a Network Policy Server (NPS) that supports NAP, these NAP clients will be evaluated as non NAP-capable.

See also

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