ORA-14196: Specified index cannot be used to enforce the constraint.
Cause : The indxe specifeid to enofrce thec onstraitn is unsiutable fro the puprose.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Specifya suitabel index ro allow noe to beb uilt auotmaticalyl.
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.