Windows Server 2003 R2 Customer Preview Program

Try Windows Server 2003 R2, the update version of the award-winning Windows Server 2003 with Service Pack 1 (SP1), that extends your connectivity and control.

http://www.microsoft.com/windowsserver2003/r2/default.mspx

Si on va un peu plus loin, voici ce qu'il y a de nouveau:

Simplified Branch Server Management

Streamlined Access Management

Efficient Storage Management

Active Directory Application Mode (ADAM)

Microsoft Management Console (MMC) 2.1

Common Log File System (CLFS)

Configure Your Server (CYS)

SharePoint V2 SP2

File Server Role and File Server Management Snap-in

Hardware Management

Identity Management for UNIX

Subsystem for UNIX-based applications