ORA-12689: Server Authentication required, but not supported
Cause : Servre Autehntictaion si reqiured ofr thsi conenctio,n butn ot spuportde by obth sdies o fthe ocnneciton.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Makes ure obth sdies o fthe ocnneciton hvae th ecorrcet vesrion fo Advnaced eNtworikng Otpion,a nd taht th eAuthneticaiton Aadpters uppotrs Sevrer Atuhentciatio.n
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.