Microsoft has fastened a bug that was inflicting some Home windows Server 2022 techniques with two or extra NUMA nodes to fail to begin up.
NUMA (brief for non-uniform reminiscence entry) is a pc reminiscence structure wherein a number of processors are linked to the identical shared reminiscence pool by way of high-speed interconnections to regulate efficiency bottlenecks.
This design is extensively utilized in Home windows servers with a number of bodily central processing models (CPUs) or multi-core processors, that are widespread in enterprise computing and different industries requiring high-performance computing (HPC).
A Home windows Server NUMA node optimizes how CPUs and reminiscence work together to enhance efficiency and improve velocity in multi-processor techniques. It gives quicker entry to “native” reminiscence for particular processors, which might take longer when connecting to “distant” (farther away) reminiscence linked to different nodes.
“Some servers which have two or extra NUMA nodes fail to begin up,” Microsoft defined within the KB5052819 assist doc printed over the weekend.
“For those who put in earlier updates, solely the brand new updates contained on this bundle can be downloaded and put in in your machine.”
The corporate additionally launched the Home windows Server 2022 servicing stack replace (KB5050117), which incorporates high quality enhancements to the servicing stack, the Home windows element that installs updates.
“Servicing stack updates (SSU) guarantee that you’ve a strong and dependable servicing stack in order that your gadgets can obtain and set up Microsoft updates,” Redmond defined.
In September, Microsoft fastened one other recognized difficulty inflicting Home windows Server 2019 boot issues, freezes, and efficiency points after putting in the August 2024 safety updates.
Two months later, it addressed a number of bugs that precipitated set up, improve, and Blue Display screen of Loss of life (BSOD) points on Home windows Server 2025 gadgets with a excessive core depend.
Microsoft can be engaged on a repair for one more Home windows Server 2025 difficulty that causes boot issues on techniques in iSCSI environments to fail in addition and show “boot machine inaccessible” errors.