Before installingMessage Queue 3.7 UR1, you should uninstall any existing installations of Message Queue 3.5 or 3.6. If you are installing Version 3.7 UR1 in a different location than Versions 3.5 or 3.6, you must first move any instance data (configuration properties, file-based persistent data store, log files, flat-file user repository, and access control properties file) that you want to preserve from its old location, corresponding to the old value of the directory variable IMQ_VARHOME/instances/, to the new location, corresponding to the new value of IMQ_VARHOME/instances.