Microsoft has reminded admins that Exchange 2016 and Exchange 2019 will reach the end of extended support in October and shared guidance for those who need to decommission outdated servers. Exchange ...

Microsoft this week announced it will be bringing its Extended Security Update (ESU) program for on-premises Exchange Server 2016 and 2019, offering organizations critical protection as they approach ...

Microsoft's latest Exchange Server security updates fix a critical flaw, but IT admins should be aware of a rollback step and ...

Microsoft released July 2026 Exchange Server security updates, including a permanent fix for the Critical CVE-2026-42897 ...

Organizations running Exchange Server 2019 won't be getting an H2 cumulative update (CU) this year, a Microsoft announcement this month explained. Microsoft is planning to defer the release of the ...

EX2013 - this is running in hybrid mode. I do not have any mailboxes on-prem. Everything was migrated to Exchange Online years ago. I don't have any SMTP relays either. Exchange 2013 went EOL last ...

Microsoft warned that Exchange 2016 and Exchange 2019 will reach the end of support six months from now, on October 14. The Exchange Server Engineering Team also shared guidance for admins who need to ...