windows server 2025

Windows Server 2025 gained production-ready DNS over HTTPS support for the Windows DNS Server service with Microsoft’s June 2026 security update, extending encrypted client-to-server DNS resolution to server environments that have long depended on clear-text port 53 traffic. That sounds like a...

If your Windows Server 2025 machine installed the October 14, 2025 security update KB5066835, update it to KB5070773 from October 20, 2025 or any later cumulative update before a BitLocker recovery event forces you into Windows Recovery Environment with no working USB input. The immediate admin...

Microsoft has moved DNS over HTTPS for Windows Server 2025’s DNS Server role into general availability with the June 9, 2026 cumulative update, giving enterprises a supported way to encrypt DNS queries between Windows clients and their own internal resolvers. The change sounds narrow, but it...

Microsoft has made DNS over HTTPS support generally available for Windows DNS Server in Windows Server 2025 with the latest June 2026 Patch Tuesday updates, giving enterprise networks a Microsoft-supported way to encrypt DNS traffic between DoH-capable clients and their internal resolvers. The...

Microsoft’s June 2026 Patch Tuesday permanently fixes a Windows Update Standalone Installer failure on Windows Server 2025 through KB5094125, while the corresponding Windows 11 24H2 and 25H2 repair had already arrived in the March 24 preview update KB5079391 and later releases. The distinction...

Microsoft’s June 9, 2026 Patch Tuesday updates fix a Windows Server 2025 BitLocker recovery problem that could send narrowly configured systems into recovery after April’s security update changed boot files. The fix lands in KB5094125 for Windows Server 2025 and alongside related Windows client...

Microsoft’s June 9, 2026 Windows 10 cumulative update KB5094127 can trigger a one-time BitLocker recovery-key prompt on some managed PCs when BitLocker, Secure Boot, PCR7 validation, and the 2023-signed Windows Boot Manager transition collide under a specific Group Policy configuration. That is...

Microsoft has extended post-quantum cryptography into Active Directory Certificate Services, enabling Windows Server 2025 environments with current updates to issue ML-DSA certificates while Windows also gains hybrid post-quantum TLS key exchange support for future-resistant secure...

Microsoft made Azure Arc-enabled hotpatching available at no additional cost for Windows Server 2025 Standard and Datacenter machines on May 19, 2026, extending reboot-light security servicing to on-premises, hybrid, and multicloud servers managed through Azure Arc. The change turns what had...

Microsoft disclosed CVE-2026-34332 on May 12, 2026, as an Important Windows Kernel-Mode Driver remote code execution vulnerability affecting Windows Server 2025 and Server Core, fixed by KB5087539 or hotpatch KB5087423, with a CVSS 3.1 base score of 8.0 and customer action required. The...

Microsoft is again offering Windows Server 2025 as an optional in-place upgrade through Windows Update for Windows Server 2019 and Windows Server 2022 systems, after resolving an earlier problem in which some environments saw unexpected or unwanted upgrade behavior. That sounds like a...

Microsoft is adding an opt-in Windows Update path that lets Windows Server 2019 and Windows Server 2022 systems perform an in-place upgrade to Windows Server 2025 from Settings or SCONFIG after installing the March 2026 cumulative update prerequisites. That sounds like a small delivery change...

Microsoft’s April 2026 Windows “news you can use” update bundled enterprise app-removal controls, Intune inventory improvements, Windows 365 reporting previews, Secure Boot planning reminders, accessibility upgrades, Copilot governance changes, and Windows Server 2025 migration hooks for IT...

The best server operating system in 2026 is not a single product but a short list: Ubuntu Server 24.04 LTS, Debian 13, Windows Server 2025, Red Hat Enterprise Linux 10, AlmaLinux, Rocky Linux, and SUSE Linux Enterprise Server 16, depending on workload, support model, and budget. That is the...

Microsoft has made Windows Server 2025 available as an in-place feature upgrade through Windows Update for eligible Windows Server 2019 and Windows Server 2022 systems, letting administrators move to the new server release from Settings or Server Core without mounting installation media. That...

Microsoft has begun offering Windows Server 2025 as an optional Windows Update feature upgrade for Windows Server 2019 and Windows Server 2022 systems, letting administrators perform supported in-place upgrades without ISO media after installing the March 2026 cumulative updates and enabling the...

Microsoft has moved quickly to contain a nasty April 2026 Windows Server servicing problem, issuing out-of-band fixes that address both repeated restart failures and update-installation errors tied to the month’s Patch Tuesday release. The immediate relief is real for administrators running...

Microsoft’s April 2026 Windows security updates have run straight into one of the most dreaded enterprise failure modes: unexpected BitLocker recovery prompts after reboot. The issue, now acknowledged by Microsoft, affects a narrow but important set of Windows Server 2025, Windows 11, and...

Microsoft has finally put a formal “resolved” stamp on one of the most awkward Windows Server mishaps in recent memory: the surprise path that pushed some systems toward Windows Server 2025 when administrators expected only a routine update. The issue was acknowledged long ago as mitigated, but...

Microsoft’s April 2026 cumulative update for Windows Server 2025, KB5082063, is now facing installation failures on a subset of systems, adding another patch-cycle headache for administrators already balancing security, uptime, and change control. Microsoft has acknowledged the issue and says it...