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 ...

On Monday, Microsoft released the last major update for Exchange Server 2019. The aging Exchange Server is set to lose support on Oct. 14, 2025. This final update (2025 H1 Cumulative Update (CU15) ...

Due to the critical nature of recently issued Microsoft Exchange security updates, admins need to know that the updates may have installation issues on servers where User Account Control (UAC) is ...

Microsoft has released its final cumulative update (CU) for Exchange Server 2019, which means customers need to get ready to upgrade or move to hosted Exchange. Enterprises still hosting on-premises ...