Microsoft has launched an emergency replace to deal with a recognized problem inflicting some Hyper-V digital machines with Home windows Server 2022 to freeze or restart unexpectedly.
These issues primarily impression Azure confidential VMs, that are designed to guard information whereas being processed, not simply when it is transmitted or saved.
Redmond has addressed this problem with the KB5061906 out-of-band (OOB) cumulative replace for Home windows Server 2022, which supersedes all earlier updates.
Microsoft says this OOB replace fixes “A difficulty within the direct ship path for a visitor bodily handle (GPA) the place confidential digital machines working on Hyper-V with Home windows Server 2022 may intermittently cease responding or restart unexpectedly, affecting service availability and requiring guide intervention.”
“This problem primarily impacts Azure confidential VMs and isn’t anticipated to impression customary in-market Hyper-V deployments, besides in uncommon circumstances involving preview or pre-production configuration,” Microsoft added.
KB5061906 won’t set up mechanically on impacted servers and isn’t delivered by way of Home windows Replace. Nevertheless, it may be put in manually utilizing the standalone MSU bundle from the Microsoft Replace Catalog.
“When you have not but deployed the Might 2025 Home windows safety replace (KB5058385) and your IT surroundings contains Home windows Server 2022 gadgets working Hyper-V, we advocate making use of this OOB replace as a substitute,” Microsoft added. “In case your group just isn’t affected by this problem, you do not want to put in this OOB replace.”
Final month, Redmond launched one other set of emergency updates to deal with a recognized problem stopping Home windows containers from launching on Home windows Server 2019, Home windows Server 2022, and Home windows Server 2025 techniques.
Microsoft additionally revealed in October 2023 that Home windows Server 2019 and Home windows Server 2022 safety updates launched on the time broke VMs on Hyper-V hosts and triggered boot points and “failed to start out” errors.
One 12 months earlier, in January and December 2022, it launched different emergency Home windows Server updates to repair recognized points inflicting issues creating new Hyper-V VMs and stopping the VMs from booting up.
Based mostly on an evaluation of 14M malicious actions, uncover the highest 10 MITRE ATT&CK strategies behind 93% of assaults and the best way to defend towards them.
