Windows Server 2025
Windows Server emergency patches fix WSUS bug with PoC exploit
Microsoft has released out-of-band (OOB) security updates to patch a critical-severity Windows Server Update Service (WSUS) vulnerability with publicly available proof-of-concept exploit code. WSUS is a Microsoft product that enables IT administrators to manage and deliver Windows updates to computers within their network. Tracked as CVE-2025-59287, this remote code execution (RCE) security flaw affects only Windows […]
Microsoft: Recent Windows updates cause login issues on some PCs
Microsoft has confirmed that Windows updates released since August 29, 2025, are breaking authentication on systems sharing Security Identifiers. Windows uses unique alphanumeric strings known as Security Identifiers (SIDs) to track and manage user accounts, groups, and computer accounts. SIDs are also used internally by the operating system for access control, permissions management, and security auditing, […]
Microsoft: Recent Windows updates may fail to install via WUSA
Microsoft has mitigated a known issue that caused Windows update failures when installing them from a network share using the Windows Update Standalone Installer (WUSA). WUSA is a built-in command-line tool that helps IT admins install and uninstall Microsoft Standalone Update (.msu) files through the Windows Update Agent API to deploy and remove patches, hotfixes, […]
Microsoft removes PowerShell 2.0 from Windows 11, Windows Server
Microsoft will remove PowerShell 2.0 from Windows starting in August, eight years after announcing its deprecation and keeping it around as an optional feature. The 14-year-old command processor introduced with Windows 7 was already removed for Windows Insiders as of July 2025, with the release of Windows 11 Insider Preview Build 27891 to the Canary Channel. As detailed […]
Windows KB5064489 emergency update fixes Azure VM launch issues
Microsoft has released an emergency update to fix a bug that prevents Azure virtual machines from launching when the Trusted Launch setting is disabled and Virtualization-Based Security (VBS) is enabled. The bug impacted Windows Server 2025 and Windows 11 24H2 and was introduced during the July Patch Tuesday security updates. “This update addresses an issue that prevented […]
Microsoft fixes unreachable Windows Server domain controllers
Microsoft has resolved a known issue that caused some Windows Server 2025 domain controllers to become unreachable after a restart and triggered app or service failures. As Redmond explained when it acknowledged the bug in April, servers loading the standard firewall profile instead of the domain firewall one after rebooting will have issues managing network traffic correctly. […]
Microsoft fixes Windows Server auth issues caused by April updates
Microsoft has fixed a known issue causing authentication problems on Windows Server domain controllers after installing the April 2025 security updates. Platforms affected by these problems include Windows Server 2016, Windows Server 2019, Windows Server 2022, and the latest version, Windows Server 2025. However, as Microsoft further explained when it acknowledged this known issue in early […]
Microsoft: April updates cause Windows Server auth issues
Microsoft says the April 2025 security updates are causing authentication issues on some Windows Server 2025 domain controllers. The list of impacted platforms includes Windows Server 2016, Windows Server 2019, Windows Server 2022, and the latest version, Windows Server 2025. However, as the company further explained, home users are unlikely to be affected by this […]
Microsoft: Windows Server hotpatching to require subscription
Microsoft has announced that it will soon introduce paid subscriptions for Windows Server 2025 hotpatching, a service that enables admins to install security updates without restarting. The company urged admins to try hotpatching free of charge before it becomes generally available in July, when they’ll have to pay for a subscription to test it. However, […]
Microsoft fixes Remote Desktop freezes caused by Windows updates
Microsoft has resolved a known issue causing Remote Desktop sessions to freeze on Windows Server 2025 and Windows 11 24H2 devices. While the issue affecting Windows 11 systems was addressed on February 25 with the KB5052093 optional update, Microsoft says it has also fixed it on impacted Windows Server devices with the KB5055523 Patch Tuesday cumulative update on April […]