[Samba] Samba doesn't create user profiles on the fly

[Miguel Medalha]

> comment = Home Directory of '%u'
> valid users = @"Domain Group"
> browseable = no
> writable = yes
> create mask = 0600
> directory mask = 0700

I suppose it should be:

valid users = %S

Otherwise, you will be granting access to a whole group instead of only 
to the directory owner.