Microsoft will discontinue support for Office Online Server on December 31, 2026, ending security updates and technical assistance for the on-premises solution that provides browser-based Office applications. Organizations are encouraged to migrate to Microsoft 365 or use supported desktop clients for SharePoint Server and Exchange Server Subscription Edition deployments.

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Microsoft's October 2025 Windows 11 update (KB5066835) delivers exciting new features alongside critical bugs causing widespread issues. The cumulative update brings AI-powered File Explorer shortcuts, a new "Edit" command-line text editor, and improved multi-monitor support to Windows 11 versions 25H2 and 24H2. However, users report severe problems, including a completely broken Windows Recovery Environment, File Explorer preview pane failures, and localhost connection issues affecting developers. Microsoft has acknowledged these critical bugs and released an emergency patch (KB5070773) to address the most serious WinRE issue. This guide will cover all the new features, known bugs, and solutions you need to know before installing KB5066835.

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OpenAI entered the new web browser war with ChatGPT Atlas, a solid Perplexity Comet clone. However, OpenAI's web browser offers notable additional features worth copying, like memory, basic MCP support, a logged-in mode, and explicitly activating its Agent Mode.

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Microsoft released the security baseline for Windows 11 version 25H2 on September 30, 2025. The baseline introduces configuration changes focused on network security, attack surface reduction, and legacy protocol elimination. You can download and import a security baseline into Active Directory Group Policy.

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Microsoft Word for Windows has implemented automatic cloud saving for new documents starting with version 2509 (Build 19221.20000). This change affects how users save documents, with all new files defaulting to OneDrive or SharePoint locations. Organizations can control this behavior through Group Policy and Microsoft Intune configurations.

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Windows Server 2025 implements security hardening changes that block WSUS from distributing extended security updates (ESU) to end-of-life operating systems. The modifications affect Windows Server 2012 and 2012 R2 systems receiving ESU updates through WSUS, requiring administrators to implement workarounds or upgrade their infrastructure.

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Microsoft has released the Azure DevOps local MCP Server as generally available, transitioning from public preview to production-ready status. The server enables AI assistants to access Azure DevOps data, including work items, pull requests, test plans, builds, and wikis. This allows IT professionals to automate DevOps workflows through natural language commands while maintaining data security within their local network.

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This article explains the differences between WSL 1 and WSL 2, how they compare to WSL on Windows Server 2022 and Windows Server 2025, and how to install WSL on Windows Server 2025 using the graphical user interface (GUI) or PowerShell.

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Microsoft announced new Copilot features for Windows and OneDrive during its third annual OneDrive digital event and a Windows Insider update. The updates introduce AI-powered file management in OneDrive, document creation and export capabilities for Office applications (Word, Excel, PowerPoint, and connectors for third-party services, including Google products.

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Active Directory domain controllers running Windows Server 2025 with the schema master FSMO role may create duplicate schema attribute values when performing Exchange Server schema extensions, causing replication failures across the entire forest. This issue triggers this error message: Error 8418: The replication operation failed because of a schema mismatch between the servers involved. The issue affects environments attempting to deploy Exchange Server cumulative updates or Exchange Server Subscription Edition. Microsoft has acknowledged this as a known issue in KB5065426.

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Microsoft 365 Premium combines productivity applications—Word, Excel, PowerPoint, OneNote, and Outlook—with advanced AI capabilities in a subscription plan launched in October 2025. The plan introduces "vibe working," Microsoft's term for iterative human-agent collaboration in which users guide AI through multi-step tasks to create documents, spreadsheets, and presentations. The subscription consolidates features from Microsoft 365 Family and the discontinued Copilot Pro subscription while introducing exclusive AI agents and elevated usage limits for individual subscribers.

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Remote Desktop credential delegation, or RDP single sign-on, allows you to connect to another computer's RDP session without re-entering your credentials. However, after enabling Credential Guard on your Windows Servers, SSO no longer works, and you'll receive an error message: Your credentials did not work. The logon attempt failed. This article explains why this occurs and provides instructions on reconfiguring SSO correctly.

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Windows 365 Cloud Apps operate on Windows 365 Frontline Cloud PCs in shared mode and entered public preview in September 2025. They allow organizations to deliver individual applications from the cloud without provisioning full Cloud PC virtual desktops for each user.

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Microsoft Defender for Identity and Microsoft Secure Score work together to strengthen identity security across on-premises Active Directory and cloud-based Microsoft Entra ID environments by detecting threats and providing actionable recommendations. This article explains how both tools interact, their technical requirements, and what the new recommendations announced in September 2025 mean for organizations.

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In Windows Server 2025, LBFO NIC Teaming is blocked for Hyper-V virtual switches, and Switch Embedded Teaming (SET) is the only supported teaming method for Hyper-V. However, LBFO remains available for non-virtualization use cases. In this article, I’ll show you how to enable and configure both LBFO and SET in Windows Server 2025 using the GUI and PowerShell.

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On October 2, 2025, Google announced that Gmail Client-side Encryption (CSE) now enables Google Workspace Enterprise Plus users with the Assured Controls add-on to send end-to-end encrypted emails to external recipients across any email platform. The encryption occurs in the browser before data reaches Google's servers, allowing organizations to maintain control over their encryption keys while external recipients access encrypted messages through guest accounts without requiring S/MIME certificate exchanges.

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Microsoft Intune's September 2025 update introduces hardware-level device recovery through Intel vPro integration, PowerShell installer script support for Enterprise Application Management, and day-zero compatibility for Apple's iOS/iPadOS and macOS 26 operating systems. Service release 2509 also expands Copilot capabilities for Windows 365 Cloud PC management and updates the minimum supported versions for Apple platforms.

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Proxmox Datacenter Manager (PDM) is a brand new, open-source platform designed to provide centralized management and monitoring for Proxmox VE clusters and nodes. Launched in late 2024, PDM offers a modern web interface that simplifies large-scale virtualization administration across multiple datacenters. As organizations seek alternatives to VMware’s increasingly costly and restrictive ecosystem, Proxmox Datacenter Manager emerges as a promising vCenter competitor for cost-effective and flexible enterprise virtualization management.

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With Windows 10's end of support approaching on October 14, 2025, many organizations and users face critical decisions about their computers' future security and functionality. Microsoft will cease providing essential security updates and technical support for Windows 10, leaving devices vulnerable to emerging cyber threats and compatibility issues. While some users can upgrade to Windows 11, strict hardware requirements, including TPM 2.0 and newer processors, mean many functional computers won't qualify for the transition. Organizations and consumers must now evaluate their options, from purchasing Extended Security Updates (ESU) to exploring alternative operating systems or investing in new hardware. User communities are expressing growing frustration with Microsoft's hardware requirements, viewing them as forced obsolescence that creates unnecessary electronic waste and unfair costs for owners of perfectly functional devices.

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