Exchange versionMainstream support phase Extended support phase Exchange Server 5.512/31/20031/10/2006 Exchange 2000 Server12/31/20051/11/2011 Exchange Server 20034/14/20094/8/2014 Exchange 20074/10/20124/11/2017 Source:

Exchange versionExchange organization coexistence Exchange Server 5.5Not supported Exchange 2000 ServerNot supported Exchange Server 2003Supported Exchange 2007Supported Mixed Exchange 2007 and Exchange Server 2003 organization Supported In-Place Upgrade NOT possible!

Domain Partition Configuration Partition Schema Partition Exchange 2003Exchange 2007 Exchange 2010 ADUC / ESM ESM EMS/EMC RBAC EMS/EMC/ECP

ESM E2003

EMC E2007

EMS E2007

EMC E2010

EMS E2010

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Extending tools and platform to cloud Experience across multiple devices Existing software skills applied to the cloud Best of both worlds User managed Deployment choices SERVICES SOFTWARE

Microsoft Online Services --- Business Productivity Online Suite

Multiple customers, one architecture Customer needs rapid deployment No seat limit Cost efficiency a key focus Multiple customers, one architecture Customer needs rapid deployment No seat limit Cost efficiency a key focus Single customer per architecture Businesses greater than 5,000 seats Optimize for 20,000+ Customer needs most server features Single customer per architecture Businesses greater than 5,000 seats Optimize for 20,000+ Customer needs most server features

ServiceSource Platform Hosted Premium (Hosted Exchange) Hotmail ISP (POP/IMAP) Gmail/GAPE Webmail On-Premise Exchange 200x Domino GroupWise Generic (POP/IMAP) SharePoint

Green Field *Big- Bang* migration End-User *Big- Bang* migration Classic migration with long-term coexistence Admin ‘Quick’ migration with min Coexistence Minimal *Big- Bang* migration Just provision users and GO ! Everyone moved at once No retention of legacy mailbox data Pro: Easy to deploy for large groups Con: Loss of old content. Provision users, and provide end users with migration tools. Everyone moved at once Users are given tools/options to access and migrate legacy mail themselves Pro: Easy to scale to large groups. Con: Difficult to manage end user tools. Con: End user sat with extra work. Provision users and just migrate core content (Calendar, contacts, etc.) Can be combined with end-user migration. Everyone moved at once Pro: Can scale to large groups and preserves some data Con: End-user sat with missing data. Admin provisions and migrates groups of users to new service as fast as possible All mailbox content is preserved Only minimal coexistence is offered Pro: Full data fidelity Con: May not be possible for large orgs Admin provisions and migrates groups of users to new service. All mailbox content is preserved. Long-term coexistence is offered Pro: Support for large scale migrations Pro: Includes coexistence Con: Not all coexistence features may be available Con: Admin work to coordinate group/moves.

Envision Plan Build Pilot Migrate Post Migration Exchange Consideration Sign Up for Trial Set up Mail Coexist. Bulk Account Creation Exchange Mailbox Cleanup MX Record Switch Over On Premise Exchange Management AD Clean up Account Management ID Pilot Group Verify SMTP Domain Install On Premise Tools Establish Dir Sync Activate & Migrate Pilot Users Pilot Verification Activation Notification Mailbox Migration End User Configuration

Exchange Online Highlights  Business Messaging Capabilities , shared calendar and contacts , shared calendar and contacts Flexible mailbox sizes Flexible mailbox sizes Anywhere Access Anywhere Access Mobility with Active Sync devices Mobility with Active Sync devices  Security and Availability Built in anti-virus and anti-spam Built in anti-virus and anti-spam Multi-layer data protection Multi-layer data protection Compliance archiving Compliance archiving encryption encryption  Flexible Deployment Online & on-premises co-existence Online & on-premises co-existence Active Directory synchronization Active Directory synchronization Data migration Data migration Information & desk-less worker Information & desk-less worker  Simplified Management Unified administration center Unified administration center 24x7 support 24x7 support 99.9% service level agreement 99.9% service level agreement Always up to date software Always up to date software

5GB allocation per standard user license (25GB Maximum) Pooled storage at company level Assign different mailbox size limits per user Additional storage available for purchase Flexible send warning policy