Windows Server 2025
New Windows Server emergency updates fix container launch issue
Microsoft has released emergency Windows Server updates to address a known issue preventing Windows containers from launching. The issue affects only containers running under Hyper-V isolation mode, which allows multiple containers to run simultaneously on a single Windows host inside separate virtual machines. “This update fixes an issue caused by 2025.04 B container images released […]
Microsoft: Windows Server 2025 restarts break connectivity on some DCs
Microsoft warned IT admins that some Windows Server 2025 domain controllers (DCs) might become inaccessible after a restart, causing apps and services to fail or remain unreachable. As the company explained, this is caused by the servers loading the standard firewall profile instead of the domain firewall ones after rebooting. “Windows Server 2025 domain controllers (such […]
Microsoft: April 2025 updates break Windows Hello on some PCs
Microsoft says some Windows users might be unable to log into their accounts via Windows Hello after installing the April 2025 security updates. This known issue impacts both client (Windows 11 24H2) and server (Windows Server 2025) platforms with the KB5055523 cumulative update installed, although only in some specific scenarios. According to Redmond, devices impacted by these Windows Hello authentication issues include those with […]
Microsoft fixes auth issues on Windows Server, Windows 11 24H2
Microsoft has fixed a known issue causing authentication problems when Credential Guard is enabled on systems using the Kerberos PKINIT pre-auth security protocol. According to Redmond, these authentication issues impact both client (Windows 11, version 24H2) and server (Windows Server 2025) platforms, albeit only in some niche scenarios. On affected systems, users experience problems because […]
Microsoft fixes Remote Desktop issues caused by Windows updates
Microsoft has fixed a known issue that caused problems with Remote Desktop and RDS connections after installing Windows updates released since January 2025. As the company explained when it acknowledged the issues on Monday, affected users experience RDP disconnections after 65 seconds when establishing UDP connections from Windows 11 24H2 to RDS hosts on systems […]
Recent Windows Server 2025 updates cause Remote Desktop freezes
Microsoft says a known issue is causing Remote Desktop freezes on Windows Server 2025 systems after installing security updates released since the February 2025 Patch Tuesday. “After installing the February 2025 Security update (KB5051987), released February 11, 2025, and later updates, on Windows Server 2025 devices, you might experience Remote Desktop sessions freezing shortly after connection,” […]
Microsoft: Recent Windows updates cause Remote Desktop issues
Microsoft says that some customers might experience Remote Desktop and RDS connection issues after installing recent Windows updates released since January 2025. “After installing the January 2025 Windows preview update (KB5050094) and later updates, users might experience unexpected disconnections with Remote Desktop Protocol (RDP) sessions, including Remote Desktop Services (RDS),” the company said in a new entry […]
Microsoft fixes bug causing Windows Server 2025 boot errors
Microsoft has fixed a known issue causing “boot device inaccessible” errors during startup on some Windows Server 2025 systems using iSCSI. “This is observed on servers operating under NDIS Poll Mode booting from an iSCSI LUN,” the company explained when it acknowledged the bug in late October. “Under such configuration, the server will experience the error during […]
Microsoft fixes bugs causing Windows Server 2025 blue screens, install issues
Microsoft has fixed several bugs that cause install, upgrade, and Blue Screen of Death (BSOD) issues on Windows Server 2025 devices with a high core count. The symptoms include Windows Server 2025 installation or upgrading processes failing or hanging, as well as server boot and restarts taking as much as three hours (or even more […]
Microsoft blames Windows Server 2025 automatic upgrades on 3rd-party tools
Microsoft has finally confirmed that some Windows Server 2019 and 2022 systems were “unexpectedly” upgraded to Windows Server 2025 on devices if updates were managed using third-party patch management tools. The company also updated the Windows release health dashboard on November 6 to say that Windows Server 2025 is now offered as an optional update on Windows […]