Try to create a prototype the follow exactly the tutorial video 16
www.jms2win.com/tutorial#jms12x-16
that use exactly the same values.
That will help you understand the concept.
Share the user is an operation that is performed when you clone a website site.
At this moment you copy the "from" template website into a "to" new slave site where some MySQL tables are shared.
This rule is defined in the Jms Templates.
You also have a technical video that present plenty of things.
Perhaps it will help you
www.jms2win.com/tutorial#jms12x-0b
If you want that we setup your environment, you can order our billable support at
www.jms2win.com/download?page=shop.produ...35&category_id=1