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Microsoft’s new cloud-managed remote mailbox capability finally gives hybrid organizations a supported, auditable path to stop running an on‑premises Exchange server purely for recipient management — and it changes the rules for how Exchange attributes are governed in hybrid environments. The feature introduces a new per‑mailbox switch, IsExchangeCloudManaged, that transfers the Source of Authority (SOA) for Exchange‑specific attributes from on‑premises Active Directory to Exchange Online...

Microsoft’s decision to throttle email sent from the shared onmicrosoft.com tenant namespace — what engineers call MOERA (Microsoft Online Email Routing Address) — is a decisive move to curb abuse, protect shared reputation, and force tenants to adopt branded custom domains for production sending. Background / Overview Every Microsoft 365 tenant is provisioned with a default onmicrosoft.com domain (and regional variants such as onmicrosoft.de). That domain has long served as a convenience...

Microsoft's updated Exchange hybrid guidance — and a last‑minute change to the enforcement cadence — should be on every hybrid admin’s radar: the Exchange team has expanded the push to migrate hybrid traffic away from the long‑standing Exchange Online shared service principal into a tenant‑owned dedicated Exchange hybrid app, introduced an updated Hybrid Configuration Wizard (HCW) to help, and announced short, scheduled EWS traffic blocks designed to force action ahead of a permanent cutoff...

The new Message Trace experience for Exchange Online has reached general availability and Microsoft is beginning a global rollout, but the change comes with important operational limits, a firm deprecation timeline for legacy tooling, and migration steps that every Exchange administrator should treat as high priority. The Exchange team rolled the feature out to tenants beginning in mid‑June 2025 and expects the worldwide deployment to complete by late July 2025. Administrators gain a...

Microsoft has finally delivered a long‑requested capability for hybrid Exchange customers: you can now transfer the Source of Authority for Exchange mailbox attributes of directory‑synchronized users into the cloud and manage those mailbox properties directly from Exchange Online. The feature—exposed via a new mailbox property named IsExchangeCloudManaged—is available in Phase 1 as a preview and promises to remove the frustrating operational dependency on a “last Exchange server” used solely...

Microsoft is imposing a hard cap on outbound email sent from the shared onmicrosoft.com tenant namespace: mail from MOERA (Microsoft Online Email Routing Address) domains will be throttled to 100 external recipients per organization in any 24‑hour rolling window, with attempts beyond that returning an NDR carrying SMTP code 550 5.7.236; the change is being rolled out in staged waves keyed to Exchange seat counts beginning with trial tenants on October 15, 2025 and completing for the largest...

Microsoft has moved the revamped Message Trace experience in Exchange Online out of preview and into general availability, bringing a faster UI, new PowerShell cmdlets, extended query windows, and new operational constraints that will change how administrators automate and extract trace data from Exchange Online. The rollout began in mid‑June and was scheduled to complete in July; Microsoft also published a firm deprecation schedule for the legacy UX and cmdlets that requires action from...

Microsoft’s Exchange team has given hybrid administrators a clear-but-urgent migration mandate: switch to the dedicated Exchange hybrid app and update on‑prem servers now, or face temporary disruptions in September and October followed by a permanent enforcement that will stop rich coexistence features unless the dedicated app is configured. Background / Overview Microsoft’s hybrid Exchange architecture historically used a shared, Microsoft‑managed service principal (the well‑known Office...

Microsoft’s Exchange team has announced a sweeping, tenant-level restriction that will limit outbound email sent from the shared onmicrosoft.com namespace (MOERA — Microsoft Online Email Routing Address) to 100 external recipients per organization per 24‑hour rolling window, and the change comes with a staged rollout that begins with trial tenants in October 2025 and progresses to the largest tenants by June 1, 2026. Background / Overview Every Microsoft 365 tenant is provisioned with a...

Microsoft’s Exchange team has taken a decisive step toward finally letting organizations retire the last Exchange server in hybrid environments by adding cloud-managed remote mailbox support — a per-mailbox “flip-the-switch” that transfers Exchange attribute authority to Exchange Online while leaving core identity in on‑premises Active Directory. (techcommunity.microsoft.com, learn.microsoft.com) Background Hybrid Exchange deployments have long carried a leftover operational burden: even...

Microsoft has quietly turned up the volume on in‑OS upgrade prompts for Windows 10, and since the August 2025 update many users report seeing intrusive, full‑screen notifications urging them to move to Windows 11 — reminders that can reappear even after a user explicitly chooses to “Keep Windows 10.” (pcworld.com, xda-developers.com) Background / Overview Microsoft set a firm end‑of‑support date for Windows 10: October 14, 2025. After that date Microsoft will stop delivering routine security...

If Windows 11’s July 2025 cumulative update (KB5062553) won’t install on your PC and you’re seeing rollback messages or error codes such as 0x800f0922, 0x80073712, or “Updates failed — your device is missing important security updates,” this guide walks through a practical, evidence-backed, step‑by‑step repair plan and explains what’s actually going on behind the scenes. It draws on Microsoft’s official KB notes, community troubleshooting threads, and independent testing to verify causes and...

Microsoft’s switch from the familiar Blue Screen of Death to a minimalist black crash screen has drawn attention — and a fresh wave of questions from Windows 11 users who now confront the so‑called Black Screen of Death. This change is cosmetic in part, but it also comes bundled with new resiliency tooling and guidance; whether you’re seeing a black crash screen at boot, at login, or an otherwise-empty desktop, this guide lays out verified, practical fixes — from immediate keyboard shortcuts...

Microsoft’s Copilot agent governance has slid into the spotlight after multiple, independent reports found that tenant-level policies intended to prevent user access to AI agents were not reliably enforced — a misconfiguration and control-plane gap that left some Copilot Agents discoverable or installable despite administrators explicitly blocking them. Background Microsoft’s Copilot ecosystem now spans Copilot Chat, Copilot Studio, Copilot-enabled experiences inside Teams and Outlook, and...

Microsoft’s vision of a future Windows where you “talk to your PC” is less a finished product than an aggressive bet on changing workplace culture — and whether that bet pays off depends as much on human behavior as on silicon and software. Background: what Microsoft is saying — and what PCWorld noticed In a recent interview and a pair of promotional videos, Microsoft executives sketched a future for Windows built around multimodal AI — an operating system that sees, hears, and responds to...

Microsoft is moving to strictly limit outbound email sent from the shared .onmicrosoft.com tenant namespace — commonly called MOERA (Microsoft Online Email Routing Address) — introducing a hard cap that will throttle messages sent from onmicrosoft.com addresses to 100 external recipients per organization in any 24‑hour rolling window, and rolling enforcement out in staged phases beginning with trial tenants on October 15, 2025. y Microsoft 365 tenant receives a default domain that looks like...

Windows PowerToys is one of those quietly powerful Windows add‑ons: a free, modular toolkit that can shave minutes off everyday tasks for heavy desktop users, but it’s deliberately optional — and for many casual users it’s a luxury rather than a necessity. Background / Overview Windows PowerToys traces its lineage back to the Windows 95 era as a grab‑bag of tweak utilities for “power users,” then went dark for years before being revived as an open‑source project in 2019. That modern...

Losing a precious document, photo, or a whole folder of work on a Windows 8 PC is never a small annoyance — it’s a sudden problem that demands clear, confident action and the right tools. For many Windows 8 users the practical question is straightforward: which recovery tools give the best chance of restoring lost files without making things worse? This feature walks through the five strongest data‑recovery options for Windows 8, explains when each shines, flags real risks and limitations...

Microsoft has quietly folded generative AI into Excel’s calculation engine with a native worksheet function — =COPILOT(... — that accepts plain‑language prompts, reads cell ranges as context, and returns live, spillable outputs directly into the spreadsheet grid. Early previews show it can summarize text, classify rows, extract structured tables, and even generate placeholder data from within cells, but Microsoft and independent reporters are equally clear: this is a text-and-structure tool...

Zero-trust is not an add-on for AI pipelines — it must be baked into the fabric of how data, models and orchestration talk to one another. In a recent InfoWorld piece, the author laid out a metadata-driven, zero-trust MLOps reference architecture on Azure that combines Microsoft Entra ID, Azure Key Vault and Private Link, with orchestration handled by metadata in Azure Data Factory and Databricks — an approach designed to eliminate implicit trust and shrink the blast radius for cloud AI...