Exchange Server on LexxWire — US Tech & AI News Dailyhttps://blog.lexx.in/tags/exchange-server/Recent content in Exchange Server on LexxWire — US Tech & AI News DailyHugoen-usMon, 19 Oct 2026 09:58:00 -0400Microsoft's October Windows Server Updates Are Breaking Exchange Sign-In and Mail Flowhttps://blog.lexx.in/news/microsoft-october-windows-server-updates-break-exchange-oct-2026/Mon, 19 Oct 2026 09:58:00 -0400https://blog.lexx.in/news/microsoft-october-windows-server-updates-break-exchange-oct-2026/Microsoft confirms its October Windows Server updates break OWA sign-in and Exchange mail delivery. Root cause: a 512-call Endpoint Mapper limit.