Exchange Server SE receives November security updates
🛠️ Microsoft released November security updates for Exchange Server Subscription Edition RTM.
Exchange Online is already protected, but organizations must still update any on-premises Exchange servers and Exchange Management Tools workstations they operate.
The announcement also confirms that November Windows Server updates resolve Exchange instability associated with October operating-system updates.
The temporary registry workaround is no longer required after that OS fix, and either installation order is supported. Microsoft directs administrators to Health Checker, a server restart and service checks.
Exchange 2016 and 2019 no longer receive these security updates.
Partner briefing
- What it is
November security updates are available for Exchange Server SE RTM.
- What’s changing
Exchange SE security fixes and November Windows Server remediation are available; Exchange 2016/2019 receive no SU.
- Why it matters
Hybrid environments and management-tools workstations still require updates even though Exchange Online is protected.
- Who it affects
Administrators operating Exchange Server SE, hybrid Exchange or Exchange Management Tools.