MQ Error : AMQ7155: License file not found or not valid

After we update the  Trial License of MQ with the Production License of the MQ .

Sometimes we may get the error “AMQ7155: License file not found or not valid”  when we start the Queue Manager

setmqprd9

Click HERE for the details to update the Prod MQ License

Some reasons for this error

Step 1: License File missing : Check if the amqpcert.lic file is available in “/opt/mqm/lib”

Step 2: Permission Issue : Check if the permissions is proper in “/opt/mqm/lib” for the .lic files in it

Step 3: Multiple License file Available :  When we run the setmqprd command the /opt/mqm/lib may also have the Trail MQ license file amqtcert.lic .

As the “/opt/mqm/lib”  has both the Trail MQ license file (amqtcert.lic) and Prod MQ license file (amqpcert.lic) . The MQ is not able to identify which one it should use and hence gives an error
setmqprd7
Step 4 :  Remove  the Trail MQ license file (amqtcert.lic) from the “/opt/mqm/lib” folder.  The Queue Manager will pick up the changes once it is started back up.

bash-3.2$ cd /opt/mqm/lib/
bash-3.2$rm amqtcert.lic

Step 5: Start the Queue Manager and check if starts properly

setmqprd10

 

 

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