Bleepingcomputer Microsoft Confirms December Updates Cause MSMQ Failures in Enterprise Systems
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Microsoft has confirmed that the December 2025 security updates are causing failures in Message Queuing (MSMQ) functionality, impacting enterprise applications and Internet Information Services (IIS) websites. The issue affects systems running Windows 10 22H2, Windows Server 2019, and Windows Server 2016 that have installed specific security updates released during this month's Patch Tuesday.
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