[Zope-CMF] No member folder being created

[BZ]

 Ok.. I know this is probably either a small bug or a configuration
problem but my newness to the CMF era is showing.

I created a couple of CMF sites (Python 2.1, Zope. 2.5.1, CMF 1.3 Beta 2)
and when someone "joins" using the join_form they get the success page and
get created in acl_users but no folder in /Members/

I am sure this is something so simple, but all the searching and googling
and I can't find the answer.

Anyone?

BZ