This white paper provides an overview on how deploying Exchange Server 2007 on the HP BladeSystem c-Class can save organizations both time and money and reduce the overall total cost of ownership of their Exchange deployment. This includes an overview of the HP BladeSystem architecture and the key technologies focused on improving infrastructure manageability, reducing power and cooling requirements, and building a change-ready architecture. The document then addresses why the HP BladeSystem c-Class architecture is a compelling platform for Microsoft Exchange Server 2007 including a look at how the various Exchange Server 2007 roles correlate to the different HP server blades. The final portion of the white paper covers three example configurations for Exchange on the HP BladeSystem. This includes 5,000, 10,000, and 15,000 Exchange user configurations.