1 Introduction

The User Profile Synchronization (UPS) Lightweight Directory Access Protocol Version 3 Extensions specifies the extensions to the Lightweight Directory Access Protocol (LDAP) [RFC2251] which are used in the communication sequences between a Synchronization Service and directory servers. A Synchronization Service maintains the consistency of a database of directory entries by importing and exporting changes to one or more directory servers.

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.