This is what I’m currently using to migrate to a new WMS server because I can’t get out prod server upgraded. I just use this in the advanced line on the old WMS server. I also used the same line to migrate from WDM.
CCMEnable=yes CCMServer=https://newwms.server.org:443 GroupPrefix=defa GroupKey= groupkeyfornewservergroup MQTTServer=serveryourmovingtoo:1883 AdvancedConfig=yes Override=yes