Microsoft: December security updates cause Message Queuing failures

Microsoft has confirmed that the December 2025 security updates are breaking Message Queuing (MSMQ) functionality, affecting enterprise applications and Internet Information Services (IIS) websites. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-december-security-updates-cause-message-queuing-failures/

Posted from: this blog via Microsoft Power Automate.