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Exchange 2010 offers a wide range of features that build upon previous versions to deliver a better user experience, improved administration, better security, and reduced operating costs. However, nothing is free: Organizations that want to migrate from earlier versions of Exchange face challenges posed by the requirements of moving from their current environment to a new, all-Exchange 2010 network.This whitepaper covers the major architectural changes in Exchange 2010, describe what bearing they have on how you plan and execute your migration, and offer practical tips to help you avoid common pitfals when migrating.