Microsoft’s December Patch Tuesday has produced a painful and immediate headache for enterprises that still rely on Microsoft Message Queuing (MSMQ): multiple cumulative updates released on December 9–11, 2025 changed MSMQ’s filesystem security semantics and, in many environments, prevented...
Microsoft's December cumulative update for Windows 10 ESU systems, shipped as KB5071546, has introduced a breaking change to Microsoft Message Queuing (MSMQ) that is rendering queues inactive, causing IIS-hosted applications to fail with “Insufficient resources to perform operation”, and...