This month’s prolonged safety replace for Home windows 10 broke Message Queuing (MSMQ), which is often utilized by enterprises to handle background duties.
Microsoft says it recognized a repair and is now rolling out an out-of-band replace (KB5074976) by way of Replace Catalog to handle it.
You will not discover the OOB on Home windows Replace or WSUS, because it’s solely provided by way of Replace Catalog, however in case you are affected, it’s best to obtain the out-of-band launch.
What prompted MSMQ points in Home windows 10?
After putting in the Home windows updates launched on December 9, 2025, some customers reported points with the Message Queuing (MSMQ) performance.
It is seemingly due to one of many modifications Microsoft made to the safety features associated to MSMQ, which by accident affected its performance.
In keeping with the corporate, points would possibly result in message queues changing into inactive, messages about inadequate sources, functions unable to write down to message queues, error messages concerning the message can’t be created, or messages about inadequate disk house or reminiscence
Microsoft examined the replace, and it discovered that this challenge additionally impacts a clustered MSMQ surroundings underneath load.
The corporate argues that common customers with Home windows Residence or Professional editions on private units are not possible to expertise this challenge.
“This challenge primarily impacts enterprise or managed IT environments,” the corporate defined.
Solely PCs signed up for Home windows 10 ESU and having points are presupposed to obtain the OOB replace.
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