KB5074980: Overview with user sentiment and feedback
Last Updated January 31, 2026
Probability of successful installation and continued operation of the machine
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 a known problem with Message Queuing (MSMQ) functionality that was introduced in the December 9, 2025 updates. This issue could lead to message queues becoming inactive, applications unable to write to message queues, and various error messages related to insufficient resources or disk space. The update resolves these MSMQ problems, which primarily affect enterprise or managed IT environments rather than individual home users.
General Purpose
The purpose of this out-of-band update is to address a critical issue with Message Queuing (MSMQ) functionality that was introduced in the previous December 2025 security updates. After installing the December 9, 2025 updates, users experienced problems with MSMQ, including message queues becoming inactive, applications unable to write to queues, and various error messages. This update fixes those MSMQ problems to restore reliable message queuing capabilities, especially in enterprise and managed IT environments that rely heavily on MSMQ.
General Sentiment
The general sentiment towards this out-of-band update is positive, as it resolves a significant issue that was causing problems for organizations using the Message Queuing (MSMQ) functionality in Windows Server 2012. While the initial December 2025 updates introduced the MSMQ problems, this follow-up release is viewed as an important fix that will restore stability and reliability for mission-critical messaging systems. However, some caution is warranted given the nature of the issue and the fact that it primarily impacts enterprise environments rather than individual users. Thorough testing before deployment is recommended to ensure a smooth update process.
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, ensure all Subset of endpoints for ESU requirements 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 01:16 AM
