Microsoft also fixed a bug that caused authentication issues when Credential Guard was enabled on systems using the Kerberos PKINIT pre-auth security protocol, and it introduced a new Windows 11 24H2 safeguard hold for systems with SenseShield Technology's sprotect.sys driver (used by security or enterprise software) because of incompatibility issues triggering blue or black screen of death (BSOD) errors. Microsoft has fixed several known issues that caused Blue Screen of Death (BSOD) and installation issues on Windows Server 2025 systems with a high core count. IT admins who want to find out if these known issues impact their Windows Server 2025 systems are advised to check if they show as having over 256 logical processors on the Performance tab in the Windows Task Manager. "Servers which have a high number of logical processors might experience issues running Windows Server 2025. The company also said that some Windows users might be unable to log into their accounts using Windows Hello after installing the April 2025 security updates on client (Windows 11 24H2) and server (Windows Server 2025) systems. As Redmond said when it acknowledged this known issue in October, impacted devices may experience a wide range of symptoms, including Windows Server 2025 installation or upgrading processes failing or hanging, and server start-up taking as much as three hours or more in some cases. Earlier this month, Microsoft warned that some Windows Server 2025 domain controllers (DCs) might become inaccessible after being restarted, causing services and apps to fail. In an update to the initial Windows release health entry, Microsoft says these issues have been addressed in updates released since the KB5046617 cumulative update issued as part of the November Patch Tuesday. Important: The total number of logical processors is calculated by first multiplying the number of sockets by the number of cores per socket and then multiplying that result by the number of logical processors per core.
This Cyber News was published on www.bleepingcomputer.com. Publication date: Wed, 23 Apr 2025 07:35:12 +0000