Thursday, January 9, 2014

What is Name Resolution Policy Table (NRPT)

The NRPT is a new feature which was first introduced in Windows Server 2008 R2 that allows a client to assign a DNS server address to particular namespaces rather than to particular interfaces. The NRPT essentially stores a list of name resolution rules that are applied to clients through Group Policy.  Each rule defines a DNS namespace and DNS client behaviour for that namespace.

This feature is essential to support new features of Windows such as Microsoft Direct Access.

When a DirectAccess client is on the Internet, each name query request is compared against the namespace rules stored in the NRPT. If a match is found, the request is processed according to the settings in the NRPT rule. The settings determine the DNS servers to which each request will be sent.

For more information about NRPT, please view the following TechNet website:

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