Overview

Microsoft addressed a critical boot failure issue affecting Windows Server 2022 systems utilizing multiple NUMA nodes. The bug impacts high-performance computing environments and enterprise servers

Whom it may concern

  • Enterprise IT administrators
  • Data center operators
  • High-performance computing facilities
  • Mission-critical infrastructure managers

Key Findings

  1. Boot failures occur on systems with two or more NUMA nodes
  1. Fix delivered via KB5052819 update package
  1. Servicing stack update KB5050117 provides additional stability

Risk Analysis

  • System Availability Impact: Critical
  • Mitigation Available: Yes - via patch
  • Affected Systems: Enterprise servers with multiple processors
  • Recovery Time: Immediate post-patch

Action Items

  • Install KB5052819 update immediately
  • Deploy KB5050117 servicing stack update
  • Review NUMA configuration on affected systems
  • Monitor system boot performance post-update

Sources

  • [BleepingComputer](https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-windows-server-2022-bug-breaking-device-boot/)
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