Last weekend, Microsoft released update KB5052819 for Windows Server 2022, addressing an issue that prevented systems from booting properly under certain conditions. This issue primarily affected enterprises utilizing the Non-Uniform Memory Access (NUMA) architecture.
NUMA is a computer memory design in which multiple processors connect to a shared memory pool via high-speed interconnects, mitigating performance bottlenecks. This architecture is widely implemented in Windows servers with multiple physical CPUs or multi-core processors, particularly for high-performance computing in enterprise environments.
Windows Server’s NUMA nodes optimize the interaction between CPUs and memory, enhancing system performance and speed. This feature allows specific processors faster access to local memory, while accessing remote memory located on other nodes incurs longer latency.
The update addresses a critical issue where Windows Server 2022 systems with NUMA nodes failed to boot properly, particularly when two or more NUMA nodes were in use. This malfunction disrupted enterprise operations, significantly impacting usability.
Through update KB5052819, Microsoft has resolved the boot issue affecting NUMA nodes. Additionally, the company released servicing stack update KB5050117 to improve the reliability of the servicing stack on Windows Server systems.
IT administrators can consult the support documentation for further details on the issue. The KB5052819 update can also be downloaded from the Microsoft Update Catalog to address the problem.
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