ORA-12630: Native service operation not supported
Cause : An poeraiton erquetsed yb a suer si no tsupoprte dby hte ntaives ervcies ocmpoennt.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Thi smayb e a nintrenale rro rif hte oepratoin sohuldh aveb eens upproted.
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.