If the password is not correct or the <request-login> tag element is otherwise malformed, the authentication attempt fails and the JUNOScript server emits the following tag sequence:
<rpc-reply xmlns:junos="URL">
<authentication-response>
<status>fail</status>
<message>error-message</message>
</authentication-response>
</rpc-reply>
The error-message string in the <message> tag element explains why the authentication attempt failed. The JUNOScript server emits the <challenge> tag element up to two more times before rejecting the authentication attempt and closing the connection.