Windows Storage Server 2008 R2 is a superset of Windows Server 2008 R2 intended primarily for file server workloads. It contains all of the features,and adds other storage-specific features including Single Instance Storage (SIS) and the Microsoft iSCSI Software Target. Windows Storage Server is used primarily in storage appliances delivered by OEMs with special licensing and technical restrictions. We cover the following: • The unique features available on this platform and the performance improvements. • The File Server Capacity Tool (FSCT) results that show comparative performance evaluations that indicate how much Windows Storage Server (and Windows Server) improved over previous versions. • The new two-node cluster setup,right out of the box! • An overview of Single Instance Storage (SIS) details,including how SIS can increase the amount of available storage on data volumes • An overview of Microsoft iSCSI Software Target 3.3 (now available on MSDN),which has significant reliability improvements and new features,like support for differencing virtual hard disks (VHDs) in HPC clusters. In addition,we’ll whet your appetite for the drill-downs on iSCSI Software Target 3.3 usage for application data storage and the iSCSI Boot feature that can boot hundreds of servers in just a few minutes!