can Samba AD users access to their Home Folder via Workgroup Station

[hesam mohamadian]

hello , i installed samba4-alpha11 and create 100 users in it , i want to
create share over network if my user enter username and password that save
in the( AD Database ) even from their *work-group *client their share folder
in server Map to his client i add lines below in my smb.conf but i cant
access to my home share folder after i enter (AD )username and password .!?
[ShareDir]
        path = /ShareDir/%D/%U
        read only = no
        browseable = yes
        create mask = 0600
        directory mask = 0700