Samba服?器加入NT domain出邋

要把Samba 伺服器加入NT Domain.
可是出邋。以下是锢示??。

smbpasswd -j ks -r ks_server
cli_net_auth2: Error NT_STATUS_NO_TRUST_SAM_ACCOUNT
cli_nt_setup_creds: auth2 challenge failed
modify_trust_password: unable to setup the PDC credentials to machine KS_SERVER. Error was : NT_STATUS_NO_TRUST_SAM_ACCOUNT.
2002/03/05 11:39:22 : change_trust_account_password: Failed to change password for domain KS.
Unable to join domain KS.

如何解?啊