This document summarizes a Microsoft Solution Day event focused on private cloud and infrastructure. The event includes tracks on building a private cloud with NCS and transitioning from virtual to reality. It also discusses how server virtualization is evolving datacenters to provide benefits like increased utilization over 50%, decreased management costs, capacity on demand, and global reach. Finally, it outlines the differences between traditional IT, infrastructure as a service, platform as a service, and software as a service models.