KB5071546
Microsoft: December security updates cause Message Queuing failures
Microsoft has confirmed that the December 2025 security updates are breaking Message Queuing (MSMQ) functionality, affecting enterprise applications and Internet Information Services (IIS) websites. This known issue affects Windows 10 22H2, Windows Server 2019, and Windows Server 2016 systems that have installed the KB5071546, KB5071544, and KB5071543 security updates released during this month’s Patch Tuesday. On impacted systems, users […]
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