Windows Server Itanium 2008 R2
WIndows Server 2008 R2 Itanium delivers an enterprise-class platform for deploying business-critical applications. Scale database, line-of-business, and custom applications to meet growing business needs. Help improve availability with failover clustering and dynamic hardware partitioning capabilities (requires supporting server hardware). Windows Server 2008 R2 for Itanium-Based Systems helps provide the foundation for a highly dynamic IT infrastructure.

Licensing
Windows Server 2008 R2 Itanium is licensed by the processor plus Windows Server Client Access Licenses (CALs).

Unlimited Virtualization Rights
Windows Server 2008 R2 for Itanium-Based Systems licenses include unlimited virtualization rights, meaning customers have the use rights to run an unlimited number of virtualized instances of Windows Server on processors licensed with Windows Server 2008 for Itanium-Based Systems without purchasing additional licenses.