[389-users] Computer account samba 389

Hi tehre, I've just setup, for test, a Fedora 389 directory with Samba on Centos 5.4 x86_64. All is working fine. I can do a "smbpasswd -a user" and see the newly created user in the 389 directory. I've setup DNS, with is also running fine. Now I'm trying to get a Windows & machine be part of the domain. I've made the necessary change in the registry on Windows, shutdown the firewall on both machine and selinux on the linux machine. When I specify the administrator user and password to be able to make windows 7 part of the domain, I get a weird Windows message saying: "A device attached to the system is not functioning". A wierd message, but it appears the computeraccount cannot be automatically be updated to 389. When Ik check the log on my linux machine is says: ldapsam_add_sam_account: failed to modify/add user with uid LDAPCLIENT$ (dn = uid=LDAPCLIENT$,ou=Computers,dc=example,dc=org) The machine-account is created with the useradd command on Linux. How can the machine-account be updated into 389 so my Windows & machine can be part of the domain? Thanks in advanced for any reply.