Microsoft has launched an emergency replace to deal with a identified problem inflicting some Hyper-V digital machines with Home windows Server 2022 to freeze or restart unexpectedly.
These issues primarily influence Azure confidential VMs, that are designed to guard knowledge 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 problem within the direct ship path for a visitor bodily handle (GPA) the place confidential digital machines operating on Hyper-V with Home windows Server 2022 may intermittently cease responding or restart unexpectedly, affecting service availability and requiring handbook intervention.”
“This problem primarily impacts Azure confidential VMs and isn’t anticipated to influence normal in-market Hyper-V deployments, besides in uncommon instances involving preview or pre-production configuration,” Microsoft added.
KB5061906 won’t set up routinely on impacted servers and isn’t delivered via Home windows Replace. Nevertheless, it may be put in manually utilizing the standalone MSU bundle from the Microsoft Replace Catalog.
“You probably have not but deployed the Could 2025 Home windows safety replace (KB5058385) and your IT setting consists of Home windows Server 2022 units operating Hyper-V, we advocate making use of this OOB replace as a substitute,” Microsoft added. “In case your group 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 identified 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 begin” errors.
One 12 months earlier, in January and December 2022, it launched different emergency Home windows Server updates to repair identified points inflicting issues creating new Hyper-V VMs and stopping the VMs from booting up.
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