Found the answer :
Spinner is a V6 migration tool, it's meant to grab data from a
V5 environment (or else) and bring it to V6.
The "Spinner" name refers to the ability to look at the result
of an extraction before sending the data over to V6. Kind of an
embedded test environment, if you want.
So no V5 interaction possible.
Thanks to Dassault US (3DS) for their support.
In Reply to Simon Harvey:
Has anyone used ENOVIA Schema Agent (Spinner)?
I am investigating the possible uses of the tool in helping
trasnfer data between two completely different V5 environments
(Customer to Tier 1).
Any information in what situation this was helpful would be