Microsoft announces that Exchange Server 2016 and 2019 have reached the end of support, urging users to upgrade or migrate to Exchange Online or Exchange Server SE to maintain security. Continuing to use these outdated servers past October 14, 2025, poses significant security risks, as Microsoft will cease updates and support. #ExchangeServer2016 #ExchangeServer2019 #ExchangeOnline
Keypoints
- Exchange Server 2016’s support ended in October 2020, and 2019’s support ended in January 2024.
- Microsoft recommends upgrading to Exchange Server SE or migrating to Exchange Online to stay supported.
- Support for Exchange servers will end completely after October 14, 2025, leading to security vulnerabilities.
- Admins can perform in-place upgrades from Exchange Server 2019 to Exchange Server SE.
- Migrating to Exchange Online offers better features and AI technologies, simplifying the transition.