With the release of Exchange 2010, Microsoft has brought some major changes to its cornerstone unified communications product. In spite of major improvements in Exchange 2007, many customers didn’t make the move from Exchange 2003 saying it is good enough. This storyboard highlights the new 2010 features and recommendations for upgrading, including: •Operational and administrative enhancements. •New e-mail archiving option. •Upgrade scenarios for moving from earlier versions to 2010. Use this research to determine if you should upgrade to Exchange 2010 and if you should use an on-demand, on-premise, or hosted deployment method.

1. Make the Decision to Upgrade to Microsoft Exchange 2010 Info-Tech Research Group

4. What’s New in Exchange 2010 Enhanced Features E-mail Archiving Advice for 2007 Users Upgrade Paths < 500 Mailboxes > 2,000 Mailboxes 500 – 2,000 Mailboxes

7. What’s New in Exchange 2010 Enhanced Features E-mail Archiving Advice for 2007 Users Upgrade Paths < 500 Mailboxes > 2,000 Mailboxes 500 – 2,000 Mailboxes

9. Upgrade if you are using Exchange 2003; use this matrix to pick your path. On-demand Exchange 2010 solution Exchange 2010 Upgrade Decision Matrix Use TCO to decide on-demand on-premise or hosted. On-premise Exchange 2010 solution To find out what to watch for when upgrading to Exchange 2010 and why transitioning to Exchange 2007 should not be on the agenda, refer to the following ITA Premium research notes: “ Exchange 2010: Transitioning from Exchange 2003 ” and “ Infrastructure Impact of Exchange 2010 ” Info-Tech Research Group < 500 Mailboxes 500 – 2,000 Mailboxes > 2,000 Mailboxes At Exchange 2007 At Exchange 2003

12. Organizations running Exchange 2003 with 500 to 2,000 mailboxes should use TCO to determine best deployment method. Info-Tech Research Group From 500 – 2,000 Mailboxes, the Key Decision Factor for Choosing a Deployment Method is TCO TCO calculated over 5 years Remember TCO varies for mid-sized organizations depending on availability needs, number of end users, and hardware requirements.