JMSWMQ2013: The security authentication was not valid that was supplied for QueueManager 'XYZ' with connection mode 'Client' and host name 'x.x.x.x(1415)'. Please check if the supplied username and password are correct on the QueueManager to which you are connecting.
Check the corresponding user has following permissions dspmq -t qmgr -m <QMGR_NAME> -p <USER> connect inq set altusr crt dlt chg dsp setid setall ctrl system If not set the authentication permissions by running the below command setmqaut -t qmgr -m <QMGR_NAME> -p <USER> +connect +inq +set +altusr +crt +dlt +chg +dsp +setid +setall +ctrl +system