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Log in now. Migration path to Exchange or The migration path from Exchange to a newer version is the same whether you choose Exchange or Exchange Install Exchange or into your existing Exchange organization. Move services and other infrastructure to Exchange or Move mailboxes and public folders to Exchange or Decommission remaining Exchange servers.
Version coexistence When migrating to Exchange or Exchange , you can install either version into an existing Exchange organization. This enables you to install one or more Exchange or Exchange servers and do your migration. Server hardware Server hardware requirements have changed from Exchange Make sure your hardware is compatible. Find out more about hardware requirements for each version here: Exchange system requirements Exchange system requirements With the significant improvements in Exchange performance and the increased computing power and storage capacity in newer servers, you'll likely need fewer servers to support the same number of mailboxes.
Operating system version The minimum supported operating system versions for each version are: Exchange - Windows Server Exchange - Windows Server R2 SP1 You can find more information about operating system support at Exchange Supportability Matrix. Active Directory forest functional level The minimum supported Active Directory forest functional levels for each version are: Exchange - Windows Server R2 SP1 Exchange - Windows Server You can find more information about forest functional level support at Exchange Supportability Matrix.
Office client versions The minimum supported Office client versions for each version are: Exchange - Office with the latest updates Exchange - Office SP3 Find more information about Office client support at Exchange Supportability Matrix.
Use the following resources to help with your migration:. For a visual summary of the upgrade, migrate, and move-to-the-cloud options for Office clients and servers and Windows 7, see the end of support poster. This one-page poster illustrates the various paths you can take to respond to Office client and server products and Windows 7 reaching end of support, with preferred paths and option support in Microsoft Enterprise highlighted.
You can also download this poster and print it in letter, legal, or tabloid 11 x 17 format. If you're migrating to Microsoft , you might be eligible to use our Microsoft FastTrack service. FastTrack provides best practices, tools, and resources to make your migration to Microsoft as seamless as possible. Best of all, you'll have a support engineer walk you through from planning and design to migrating your last mailbox.
If you run into problems during your migration to Microsoft and you aren't using FastTrack, or you're migrating to a newer version of Exchange Server, here are some resources you can use:. Resources to help you upgrade from Office servers and clients. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Please rate your experience Yes No. Any additional feedback?
Important If your organization chooses to migrate mailboxes to Microsoft but plans to keep DirSync or Azure AD Connect in place to continue managing user accounts from on-premises Active Directory, you need to keep at least one Microsoft Exchange server on-premises. In this scenario, you have the following options: Recommended: If you migrated your mailboxes to Microsoft and upgraded your servers by October 13, , use Exchange to connect to Microsoft and migrate mailboxes.
Next, migrate Exchange to Exchange , and decommission any remaining Exchange servers. If you didn't complete the mailbox migration and on-premises server upgrade by October 13, , upgrade your on-premises Exchange servers to Exchange first. Then use Exchange to connect to Microsoft and migrate mailboxes. Note It's little more complicated, but you can also migrate mailboxes to Microsoft while migrating your on-premises Exchange servers to Exchange Important If your organization chooses to migrate mailboxes to Microsoft but plans to keep DirSync or Azure AD Connect in place to continue managing user accounts from on-premises Active Directory, you need to keep at least one Exchange server on-premises.
You can migrate all your Exchange mailboxes to Exchange Online. For more information about this approach, see Ways to migrate multiple email accounts to Office The following table lists the scenarios in which coexistence between Exchange and earlier versions of Exchange is supported. If you have Active Directory sites with both Exchange and Exchange installed, follow the upgrade instructions from both Exchange and Exchange , and perform the upgrade steps required by both. To help you get an overview of the Exchange to Exchange upgrade process, we've gathered resources related to each key task in the following table.
For specific step-by-step guidance, see Checklist: Upgrade from Exchange What's new in Exchange Client Access server. Unified Messaging. Install Exchange using the Setup wizard. Install the Exchange Edge Transport role using the Setup wizard optional.
Verify an Exchange installation. Exchange Client Access server configuration. Digital certificates and SSL. Create a digital certificate request.
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