1 Introduction

The Exchange Server Name Service Provider Interface (NSPI) Protocol provides a way for messaging clients to access and manipulate address data that is stored by a server. This protocol enables the client to use a single remote procedure call (RPC) interface and several interface methods to manipulate Address Book object data stored on the server.

Sections 1.5, 1.8, 1.9, 2, and 3 of this specification are normative. All other sections and examples in this specification are informative.