Enterprise-Class Reliability, Availability, Scalability, and Performance

Reliability is enhanced through a range of new and improved features including memory mirroring, Hot Add Memory, and health detection in Internet Information Services (IIS) 6.0. For higher availability, the Microsoft Cluster service now supports up to eight-node clusters and geographically separated nodes.

Windows Server 2003 provides many technical advances that help organizations lower total cost of ownership (TCO).