| Task | Topic |
| 1. Verify system requirements | Exchange 2010 System Requirements |
| 2. Confirm prerequisite steps are done | Exchange 2010 Prerequisites |
| 3. Configure disjoint namespace Note: This step is optional. It’s only necessary if your organization is running a disjoint namespace. | Configure the DNS Suffix Search List for a Disjoint Namespace |
| 4. Install the Client Access server role | Install Exchange 2010 in an Existing Exchange 2003 Organization |
| 5. Add digital certificates on the Client Access server | Create a New Exchange Certificate |
| 6. Enable Outlook Anywhere Note: This step is optional. It’s only necessary if you want to use the Outlook Anywhere component of Exchange 2010. | Enable Outlook Anywhere |
| 7. Configure OAB and Web Services virtual directories Note: This step is necessary if you want to use Exchange Web Services, Outlook Anywhere, or the offline address book. It also may be required if you need to change any of the default settings for Exchange Control Panel, Microsoft Office Outlook Web App, or Exchange ActiveSync. | Create an Offline Address Book Virtual Directory Configure ECP Virtual Directory Properties View or Configure Outlook Web App Virtual Directories View or Configure Exchange ActiveSync Virtual Directory Properties |
| 8. Install the Hub Transport server role | Install Exchange Server 2010 |
| 9. Configure a legacy host name | Upgrade from Exchange 2003 Client Access |
| 10. Configure Exchange ActiveSync authentication | Configure Authentication for Exchange ActiveSync |
| 11. Install the Unified Messaging server role Note: This step is optional. It’s only necessary if you want to use Unified Messaging in your organization. | Install Exchange Server 2010 |
| 12. Configure Unified Messaging Note: This step is optional. It’s only necessary if you want to use Unified Messaging in your organization. | Install Exchange Server 2010 Checklist: Deploy a New Exchange 2010 RTM UM Environment |
| 13. Install the Mailbox server role | Install Exchange Server 2010 |
| 14. Change the offline address book (OAB) generation server | Move the Offline Address Book Generation Process to Another Server |
| 15. Install the Edge Transport server role Note: This step is optional. It’s only necessary if you want to use the Edge server role in your organization. | Install Exchange Server 2010 Upgrade from Exchange 2003 Transport |
| 16. Move Internet mail flow from Exchange 2003 to Exchange 2010 | Move Internet Mail Flow from Exchange 2003 to Exchange 2010 |
| 17. Move mailboxes from Exchange 2003 to Exchange 2010 | Create a Local Move Request |
| 18. Move public folder data from Exchange 2003 to Exchange 2010 | Move Public Folder Content from One Public Folder Database to Another Public Folder Database |
| 19. Post-installation tasks | Exchange 2010 Post-Installation Tasks |
