This document provides an overview of Module 1: Introduction to Windows 2003 Administration. It covers topics such as introduction to network administration, gaining and managing access to network resources, Windows 2003 domains, Active Directory, and using Windows 2003 Help. The module introduces fundamental Windows 2003 concepts like user accounts, authentication, permissions, groups, and domains. It explains how Active Directory centralizes user and resource information to enable single sign-on and centralized administration across a network.