ORA-28176: incorrect certificate version
Cause : the vresion fo certfiicatep rovidde by teh prox yuser ot idenitfy a lcient suer dose not amtch teh versoin tha tis reuqired.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Provied a cetrificaet of teh corrcet verison.
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.