Updated: January 21, 2005
Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2
Windows Server 2003, Standard Edition, gives you a high level of reliability and scalability, lowers your cost of computing with flexible management services, and provides the best foundation for running business applications.
Windows Server 2003, Web Edition, is an easy-to-deploy, easy-to-manage server operating system that is optimized to be a complete Web hosting package.
Windows Server 2003, Enterprise Edition, includes the full feature set of Windows Server 2003, Standard Edition, and it also offers support for greater than 4 GB of memory and multiple processors, as well as for clustering. For more information about clustering, see Windows Clustering.
Windows Server 2003, Datacenter Edition, includes the full feature set of Windows Server 2003, Standard Edition, and it adds the high availability, reliability, and scalability required for enterprise and larger departmental solutions.
For information about feature changes in Windows Server 2003 with Service Pack 1, see topics in Features for Management, Security, and Best Performance, Features for Directory, File, Print, and Collaboration Services, and
For information about features and components that have changed names or locations, see New ways to do familiar Windows tasks.
To view a table that compares features in this release with features in previous releases, see Feature comparison: Windows NT, Windows 2000, and the Windows Server 2003 family. This table is especially useful if you upgrade from Windows NT 4.0 or Windows 2000 and you want to examine the differences between features.
To learn more about the features that are useful for a specific function or administrative task, see Choosing the features that are most useful for your server.
For a concise list of features in alphabetical order, see Alphabetical list of features.
For an overview of the features in these topics, see Overview of Features.