Exchange Server is the first server in a new generation of Microsoft server technology that is designed and developed to work on-premises as well as as an online service. Exchange introduces a new integrated email archive and features to reduce costs and improve the user experience.
Exchange Technical Articles. Visit the Exchange Server Developer Center to access code samples, community sites, documentation, and more. Exchange Server Developer Center. Exchange samples. Exchange Team Blog. We strongly believe that you get the best value and user experience by migrating fully to Microsoft But we understand that some organizations need to keep some Exchange Servers on-premises. This might be because of regulatory requirements, to guarantee data isn't stored in a foreign datacenter, because you have unique settings or requirements that can't be met in the cloud, or because you need Exchange to manage cloud mailboxes because you still use Active Directory on-premises.
In any case, if you keep Exchange on-premises, you should ensure your Exchange environment is upgraded to at least Exchange or Exchange For the best experience, we recommend that you upgrade your remaining on-premises environment to Exchange You don't need to install Exchange Server if you want to go straight from Exchange Server to Exchange Server Exchange includes all the features of previous releases of Exchange.
It most closely matches the experience available with Microsoft , although some features are available only in Microsoft Check out just a few of the things you've been missing:.
Exchange - April Exchange - October The earlier the end-of-support date, the sooner you'll need to perform another migration. April is a lot closer than you think! 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. For older versions, see Exchange Server supportability matrix. Exchange Server offers several well-known protocols, and publishes APIs that third-party vendors often write clients for.
Microsoft makes no warranties, expressed or implied, as to the overall suitability, fitness, compatibility, or security of clients that are created by third-party developers. If you want to use a third-party client that uses our protocols or APIs, we recommend that you thoroughly review and test all considerations functionality, security, maintenance, management, and so on before you deploy the client in the enterprise workspace.
We also recommend that you make sure that the third-party vendor offers an appropriate Enterprise Support Agreement ESA. Skip to main content. This browser is no longer supported.
Download Microsoft Edge More info. Contents Exit focus mode. Is this page helpful? Please rate your experience Yes No. Any additional feedback? Supported coexistence scenarios for Exchange The supported coexistence scenarios between Exchange and earlier versions of Exchange are described in the following table: Exchange version Exchange organization coexistence Exchange and earlier versions Not supported Exchange Supported with Exchange Cumulative Update 21 CU21 or later on all Exchange servers in the organization, including Edge Transport servers.
Exchange Supported with Exchange CU11 or later on all Exchange servers in the organization, including Edge Transport servers. Mixed Exchange and Exchange organization Supported if all Exchange and Exchange servers in the organization meet the requirements as previously described in this table.
Supported hybrid deployment scenarios for Exchange Exchange supports hybrid deployments with Microsoft or Office organizations that have been upgraded to the latest version of Microsoft or Office Network and directory server requirements for Exchange The requirements for the network and the directory servers in your Exchange organization are described in the following table: Component Requirement Domain controllers All domain controllers in the forest need to be running one of the following versions of Windows Server: Windows Server Standard or Datacenter Windows Server Standard or Datacenter Windows Server R2 Standard or Datacenter Active Directory forest The Active Directory forest functional level is Windows Server R2 or higher.
Active Directory site The Active Directory site where you install the Exchange Server must contain at least one writeable domain controller that's also a global catalog server, or the installation will fail. Furthermore, you can't install the Exchange server and then remove the domain controller from the Active Directory site.
Installing Exchange on directory servers For security and performance reasons, we don't recommend installing Exchange on Active Directory directory servers. Hardware requirements for Exchange For information about deploying Exchange in a virtualized environment, see Exchange Server virtualization. Installing Exchange on a computer that's running Nano Server isn't supported.
Important Releases of. Supported coexistence scenarios for Exchange The following table lists the scenarios in which coexistence between Exchange and earlier versions of Exchange is supported.
Exchange version Exchange organization coexistence Exchange and earlier versions Not supported Exchange Supported with Update Rollup 11 for Exchange SP3 or later on all Exchange servers in the organization, including Edge Transport servers. Exchange Supported with Exchange Cumulative Update 10 or later on all Exchange servers in the organization, including Edge Transport servers.
Mixed Exchange and Exchange organization Supported with the following minimum versions of Exchange: Update Rollup 11 Exchange SP3 or later on all Exchange servers in the organization, including Edge Transport servers. Exchange Cumulative Update 10 or later on all Exchange servers in the organization, including Edge Transport servers. Network and directory server requirements for Exchange The following table lists the requirements for the network and the directory servers in your Exchange organization.
Note In multi-domain environments, on Windows Server domain controllers that have the Active Directory language locale set to Japanese ja-jp , your servers may not receive some attributes that are stored on an object during inbound replication. Note For older versions, see Exchange Server supportability matrix. In this article. Supported with Exchange CU11 or later on all Exchange servers in the organization, including Edge Transport servers.
Supported if all Exchange and Exchange servers in the organization meet the requirements as previously described in this table. The Active Directory site where you install the Exchange Server must contain at least one writeable domain controller that's also a global catalog server, or the installation will fail.
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