Examples and details are provided for several of the technologies that are experiencing the biggest changes. What's New in Windows Server 2003 Service Pack 2 This document outlines some changes in functionality between earlier versions of the Microsoft® Windows Server® 2003 and Microsoft Windows® XP Professional 圆4 Edition operating systems, and Windows Server 2003 with Service Pack 2 (SP2) and Windows XP Professional 圆4 Edition with SP2. In addition, it adds new features and updates to existing Windows Server 2003 features and utilities. Microsoft Windows Server 2003 Service Pack 2 (SP2) is a cumulative service pack that includes the latest updates and provides enhancements to security and stability.