Thanks again, this is useful information to know. I am unable to proceed further as I am dependent on the hosting company to update the Moodle instances on the server. Once this occurs I will attempt to network the Moodles and will post any useful info / help on here in the context of someone who is new to Moodle and not experienced with server side issues.
Moodle networking (MNet)
Cookie prefixes for Moodles hosted in the same domain
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