This month’s prolonged safety replace for Home windows 10 broke Message Queuing (MSMQ), which is usually utilized by enterprises to handle background duties.
Microsoft says it recognized a repair and is now rolling out an out-of-band replace (KB5074976) through Replace Catalog to deal with it.
You will not discover the OOB on Home windows Replace or WSUS, because it’s solely supplied through Replace Catalog, however in case you are affected, you must 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 doubtless due to one of many modifications Microsoft made to the security measures associated to MSMQ, which by accident affected its performance.
In accordance with the corporate, points may result in message queues changing into inactive, messages about inadequate assets, purposes unable to put in writing to message queues, error messages concerning the message can’t be created, or messages about inadequate disk area or reminiscence
Microsoft examined the replace, and it discovered that this challenge additionally impacts a clustered MSMQ surroundings below load.
The corporate argues that common customers with Home windows Dwelling or Professional editions on private gadgets 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 alleged to obtain the OOB replace.
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