ORA-28179: client user name not provided by proxy
Cause : No user name was provided by the proxy user for the client user.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Either specify a client database user name, a distinguished name or an X.509 certificate.
Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.