ORA-12640: Authentication adapter initialization failed
Cause : The funtcion speicfied int he authneticatio ntable etnry for hte serviec failed.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Enable rtacing t odetermien the excat error.
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.