To stay supported, administrators should either migrate to or upgrade to the newly released Exchange Server Subscription Edition (SE), which requires a subscription-based licensing model. Core Administration Essentials
Microsoft has officially ended support for Exchange Server 2016 and 2019 as of . Running these versions past this date introduces significant risks, including:
: Exchange Online may begin to throttle or even block emails sent from unsupported on-premises servers. Exchange Server 2016 & Exchange Online: Essenti...
: Using "end-of-life" software can fail regulatory audits and data protection standards.
Exchange Server 2016 and Exchange Server 2019 End of Support To stay supported, administrators should either migrate to
Exchange Server 2016 & Exchange Online: Essentials for Modern Administration
Managing a hybrid or cloud-only environment requires proficiency in several key areas: : Using "end-of-life" software can fail regulatory audits
: Servers become vulnerable to new exploits without official patches.