By default, a physical destination is configured to use the dead message queue. You can disable a physical destination from using the dead message queue, or enable it to do so, by setting the physical destination property useDMQ .
The following example creates a queue called myDist that uses the dead message queue by default:
imqcmd create dst -n myDist -t q
The following example disables use of the dead message queue for the same queue:
imqcmd update dst -n myDist -t q -o useDMQ=false
You can enable all auto-created physical destinations on a broker to use the dead message queue, or disable them from doing so, by setting the imq.autocreate.destination.useDMQ broker property.