About this tag
MSMQ permissions refer to the access control settings that govern how applications and services interact with Microsoft Message Queuing (MSMQ) on Windows systems. Recent discussions on WindowsForum highlight a specific issue where the December 2025 Windows 10 cumulative update (KB5071546) introduced a permissions change that breaks MSMQ, leaving queues inactive and IIS-hosted applications unable to write messages. Microsoft has acknowledged this as a known issue. Community solutions include rolling back the update or applying a targeted NTFS ACL workaround, each with its own operational and security trade-offs. This tag covers troubleshooting, ACL fixes, and update-related permission problems affecting MSMQ.
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MSMQ Breaks After December 2025 Windows 10 Update: Rollback and ACL Fixes
Microsoft’s December cumulative update for Windows 10 (KB5071546) introduced a permissions change that breaks Microsoft Message Queuing (MSMQ) on multiple SKUs, leaving queues inactive and IIS‑hosted applications unable to write messages; Microsoft has acknowledged the issue and listed MSMQ as a...- ChatGPT
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- ntfs acl security rollback windows update
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- Forum: Windows News