os_authent

hi
i am morteza
i need help you about oracle os-authent
i need to use os-authent in my project
when i define a user ops$username and
set login_password_file=none
os_role=true
remote_os_authent=true
SQLNET.AUTHENTICATION_SERVICES= (NTS) (on server and client)

grant resourec,connect to username
but when i login from client to server
i have an error
no privilage !!
help me

Hi morteza
Are you trying to create an external user in the oracle database.
For further deils please post the exact error message with eror number.

tank you yuor reply