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MC1183186 — New resource on Known Issue Rollback (KIR) for Windows update management

MC1183186WindowsstayInformedUpdated: 5 November 2025

A new resource is available to help you understand Known Issue Rollback (KIR). This well-established process automatically rolls back problematic code for a known issue in Windows non-security updates. This rollback applies automatically through Windows Update on non-IT-managed devices. IT-managed devices require a specific Group Policy configuration. When will this happen: KIR came together as a functionally complete system beginning in Windows 10, version 2004. Since then, most of the code cha...

Applies to: Windows
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).