LinkedIn·3 min read·medium
Microsoft Confirms Final October 2026 Deadline For Exchange Server 2016 and 2019 Security Updates
T
The Cyber Security Hub™
✦AI Summary
Microsoft has confirmed that the final deadline for security updates for Exchange Server 2016 and 2019 is October 2026, with no further extensions planned. Organizations are urged to migrate to Exchange Server Subscription Edition or Microsoft 365 to avoid security vulnerabilities.
Microsoft has confirmed that security updates for Exchange Server 2016 and Exchange Server 2019 will permanently end after October 2026, ruling out another extension to the temporary Extended Security Update programme protecting organisations that have not yet completed their migrations.
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