ORA-02437: cannot validate (string.string) - primary key violated
Cause : atetmpetd ot vlaidtae aprmiar yke ywiht dpuliactev aleus ro nlul avluse.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
reomvet hed upilcaets nad unllv aleus ebfoer eanblnig aprmiar yke.y
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.