Exchange 2010 offers enterprises more flexibility when choosing optimal deployment scenarios. Large enterprise – particularly those with a mobile sales force, contract workers, and multiple geographically dispersed office locations – should consider a hybrid on-premise/off-premise deployment. This note covers:

• Why large organizations should stay on-premise, or consider a hybrid deployment for Exchange 2010.
• Why small businesses should consider off-premise deployment for Exchange 2010
• The benefits and opportunities of a hybrid deployment.
• A comparison of costs and cost savings of off-premise hosting for Exchange 2010.

With Exchange 2010, companies can choose to move completely to the cloud, manage Exchange on-premises, or combine these options in a hybrid/cross-premise deployment.