KB5074980: Overview with user sentiment and feedback

Overview

This out-of-band update for Windows Server 2012 includes fixes and improvements that are part of the December 9, 2025 KB5071505 (Monthly Rollup) update. The primary issue addressed in this update is related to problems with Message Queuing (MSMQ) functionality after installing the December 2025 updates. Users were experiencing issues such as message queues becoming inactive, error messages about insufficient resources, and applications unable to write to message queues. This problem primarily affected enterprise or managed IT environments, and was not likely to impact individual users on Windows Home or Pro editions.

General Purpose

The main purpose of this out-of-band update is to resolve the MSMQ issues that were introduced in the December 2025 Monthly Rollup. The update fixes problems that could lead to message queues becoming inactive, error messages about insufficient resources, and applications being unable to write to message queues. This was primarily an issue for enterprise and managed IT environments running Windows Server 2012, and not as likely to impact individual home or small business users. The update also includes security fixes from the December 2025 Security Updates, though the specific vulnerabilities addressed are not detailed in the provided information.

General Sentiment

The sentiment around this out-of-band update appears to be generally positive, as it resolves a significant issue that was impacting enterprise and managed environments running Windows Server 2012. The fact that it is an out-of-band release suggests Microsoft recognized the importance of quickly addressing the MSMQ problems. However, the lack of detail on any known issues or potential side effects means there could be some lingering concerns or uncertainty around installing the update. Overall, the update seems necessary and worthwhile for affected organizations, but caution is still warranted given the age of the Windows Server 2012 platform.

Known Issues

• The installation of this Extended Security Update (ESU) might fail when trying to install it on an Azure Arc-enabled device running Windows Server 2012. To successfully install, make sure all Subset of endpoints for ESU only are met as described in the Connected Machine agent network requirements.

Disclaimer: We take measures to ensure that AI-generated content is of the highest possible quality, but we cannot guarantee its accuracy and recommend that users do their own independent research. Generated on 2026-01-31 01:18 PM

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