Microsoft released Windows 11 Insider Preview Build 26220.6982 (KB5067109) to the Dev Channel on October 24, 2025. This update introduces Copy & Search functionality, voice typing configuration options, and proactive memory diagnostics capabilities for improved system reliability.

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VMware Workstation Pro 25H2 introduces calendar-based versioning, a command-line configuration tool, expanded hardware support, and multiple bug fixes. The release adds support for USB 3.2, virtual hardware version 22, and new guest operating systems, including Red Hat Enterprise Linux 10 and Fedora Linux 42. Unfortunately, early adopters have experienced several critical bugs.

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Microsoft is transforming Windows 11 into an AI-powered operating system with deep Copilot integration across the entire user experience. Users can now interact hands-free through Copilot Voice using wake-word activation, while Copilot Vision analyzes on-screen content to provide contextual assistance. The experimental Copilot Actions feature introduces autonomous agents that can perform real tasks on local files, from organizing photos to processing documents. Beyond Windows, Microsoft Edge gains AI capabilities through Copilot Mode, and a new animated character called Mico—reminiscent of the classic Clippy—adds personality to AI interactions.

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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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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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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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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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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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Microsoft Azure Logic Apps is a cloud-based low-code/no-code integration and workflow orchestration service that lets you automate business processes across Azure, Microsoft 365, Google, Salesforce, SAP, Oracle, SQL Server, social media, file systems, and many other cloud or on-premises systems with minimal custom coding. Azure Logic Apps now includes new Model Context Protocol (MCP) server support, announced in public preview in September, enabling AI agents and Large Language Models to use Logic Apps workflows as discoverable tools.

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Windows Admin Center introduces a new tool that enables you to convert VMware virtual machines into Hyper-V, supporting agentless migration with minimal downtime. The extension supports batch conversions of up to 10 VMs at once and uses change block tracking for efficient data replication.

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Microsoft has released significant updates to Administrative Templates (ADMX/ADML files) throughout 2025, introducing new Group Policy options for Windows 11 and Microsoft Office applications. These templates enable IT administrators to manage registry-based policy settings through Group Policy and Microsoft Intune.

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