If your organization chooses to migrate mailboxes to Microsoft 365 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.

Migrate your Exchange 2010 servers to Exchange 2016 on your on-premises servers.

Then remove on-premises Exchange servers and Active Directory. Migrate mailboxes using cutover, minimal hybrid, or full hybrid migration. It's a great time to explore your options and prepare a migration plan. But because of the changes listed above, we strongly recommend that you migrate from Exchange 2010 as soon as possible.įor more information about nearing the end of support, see Resources to help you upgrade from Office 2010 servers and clients. Your installation of Exchange 2010 will continue to run after this date.

Security fixes for vulnerabilities that may make the server vulnerable to security breaches.Bug fixes for issues that may impact the stability and usability of the server.Technical support for problems that may occur.Because Exchange 2010 reached its end of support on October 13, 2020, Microsoft no longer provides: The end of this lifecycle is known as the product's end of support. This lifecycle typically lasts for 10 years from the product's initial release.

Most Microsoft products have a support lifecycle during which they get new features, bug fixes, security fixes, and so on. If you haven't already begun your migration from Exchange 2010 to Microsoft 365, Office 365, or Exchange 2016, now's the time to start planning. This article applies to both Microsoft 365 Enterprise and Office 365 Enterprise.Įxchange Server 2010 reached its end of support on October 13, 2020.

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