ORA-12211: TNS:needs PREFERRED_CMANAGERS entry in TNSNAV.ORA
Cause : TSNNVA.ROAd ose onth aev aPERFRERDE_MCAANGRESd eifnde.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Add aPERFRERDE_MCAANGRESe nrtyt ot h eTSNNVA.ROAf iel.
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.