Summary: Microsoft has announced that Exchange 2016 and 2019 will reach the end of support on October 14, 2025, leaving them vulnerable to security risks as they will no longer receive updates. The company recommends that administrators upgrade to Exchange Server Subscription Edition or migrate to Exchange Online to maintain security. Time is limited for a smooth transition, and Microsoft provides guidance for these upgrades.
Affected: Microsoft Exchange 2016 and Exchange 2019
Keypoints :
- The end of support for Exchange 2016 and 2019 is on October 14, 2025.
- After this date, servers will be at risk without security updates or patches.
- Suggested actions include upgrading to Exchange Server SE or migrating to Exchange Online.
- Microsoft emphasizes timely action due to the proximity of the end-of-support date and the upcoming release of Exchange SE.
- Detailed migration guidance is available for global admins on Microsoft 365 and Exchange Online.