You can install MQ 9.x on a new server and use the dmpmqcfg (dump configuration) command on your v7.1 queue manager. Pipe this output into runmqsc on the new server. Your message channels and authentication will need review, but queue data can be moved via saveqmgr or qload utilities.
Download IBM WebSphere MQ 7.1: A Step-by-Step Guide
Just when Rohan was about to give up, he remembered a wise phrase: "The answer is always in the documentation." He decided to dig into the IBM documentation for WebSphere MQ 7.1.
. Note that this will likely be a much newer version (v9.x). Key Installation Tips Fix list for WebSphere MQ Version 7.1 - IBM 19 Nov 2017 —