ORA-12212: TNS:incomplete PREFERRED_CMANAGERS binding in TNSNAV.ORA
Cause : The PREFERRED_CMANAGERS binding in the client's TNSNAV.ORA file does not have a CMANAGER_NAME specified.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Define the CMANAGER_NAME as part of the PREFERRED_CMANAGERS binding. Use of the Oracle Network Manager should eliminate this 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.