Microsoft notified customers today that Exchange Server 2013 will reach its Extended End of Support (EOS) date in 90 days on April 11, 2023.

Exchange Server 2013 was released in January 2013 and has already reached the mainstream end date over four years ago, in April 2018.

Once the extended EOS date is reached, Microsoft will no longer provide technical support or bug fixes for new issues that may impact server stability or usability.

Time zone updates and security updates to address recently discovered vulnerabilities affecting servers running Exchange Server 2013 will also no longer be available starting in April.

“Exchange Server 2013 will continue to function after this date, of course; however, due to the risks listed above, we strongly recommend that you migrate from Exchange Server 2013 as soon as possible,” said Scott Schnoll, Product Marketing Manager Microsoft Exchange. said.

“If you haven’t started your migration from Exchange Server 2013 to Exchange Online or Exchange Server 2019, start now!”

Upgrade your servers or migrate to the cloud

Microsoft recommends upgrading on-premises Exchange Server 2013 servers to Exchange Server 2019 to continue to receive bug fixes and security updates for new vulnerabilities.

However, before deploying new Exchange Server 2019 installations on servers running software reaching EOS quickly, you need to ensure that your network, hardware, software, and clients follow the requirements.

Redmond also advises administrators to migrate to its Hosted Exchange Online email and calendar client as an alternative option, available as an Office 365 subscription or as a standalone service.

“If you are migrating to Exchange Online, you may be eligible to use our Microsoft FastTrack service,” Schnoll said.

“FastTrack provides the best practices, tools, and resources to make your migration to Exchange Online as seamless as possible. Best of all, a support engineer will walk you through the planning and design to your final box migration. to letters.”

Detailed information on Microsoft 365 migration options and methods can be found at Microsoft documentation site. Redmond also provides guidance for global administrators to help decide the migration path in Exchange Online.

Windows 7 too stopped receiving extended security updates for critical and important vulnerabilities from Tuesday. Windows 8.1 also reached EOS on the same day.

Earlier this month, Microsoft reminded Windows administrators that expanded support for all editions of Windows Server 2012 and Windows Server 2012 R2 would also end on October 10.