The documents in this file are intended to provide system integrators and service providers with guidance for migrating from Microsoft Solution for Hosted and Messaging Collaboration (HMC) to Microsoft® Exchange 2010 SP1 in Hosting mode.

Download at http://www.microsoft.com/downloads/en/details.aspx?FamilyID=84b85964-7d6c-465b-a671-b73f29c14ab8&displaylang=en