[FUG-BR] SAMBA WIN 7 PDC erro

[jorhardware]

Pessoal tenho um win 7 que entra no dominio, quando vou add algum usuario
como administrador da maquina da a mensagem de erro abaixo!

[2010/03/03 09:34:21,  0] auth/auth_sam.c:444(check_sam_security)
  check_sam_security: make_server_info_sam() failed with
'NT_STATUS_NO_SUCH_USER'
[2010/03/03 09:54:31,  0]
rpc_server/srv_netlog_nt.c:603(_netr_ServerAuthenticate3)
  _netr_ServerAuthenticate3: netlogon_creds_server_check failed. Rejecting
auth request from client UEB-NOTEWILLIAM machine account UEB-NOTEWILLIAM$
[2010/03/03 09:54:31,  0]
rpc_server/srv_netlog_nt.c:603(_netr_ServerAuthenticate3)
  _netr_ServerAuthenticate3: netlogon_creds_server_check failed. Rejecting
auth request from client UEB-NOTEWILLIAM machine account UEB-NOTEWILLIAM$


alguma luz ?