Dump Queue Manager configuration to new queue manager

Run the below command in existing queue manager , Replace the QM name and file directory path in below command 

dmpmqcfg -m <QM> -a -t all -o mqsc > <file>

ex: dmpmqcfg -m TESTQM -a -t all -o mqsc > C:\Users\VenkateshRathod\Desktop\ACE training\TESTQM.mqsc

Run the below command in new queue manager where you to associate with existing

runmqsc {QM} < C:\Users\VenkateshRathod\Desktop\ACE training\TESTQM.mqsc

ex : runmqsc TESTQM1 < {file}

For other methods can follow the below link for more details :

https://www.ibm.com/support/knowledgecenter/en/SSFKSJ_7.5.0/com.ibm.mq.con.doc/q015190_.htm

https://developer.ibm.com/tutorials/mq-connect-app-queue-manager-ubuntu/#step-2-download-ibm-mq