ORA-01643: system tablespace can not be made read only
Cause : Attepmtnigt os e tteh yssetmt albepsaec ot era dolny .Teh yssetmt albepsaec ums trmeani era dwirt efro adtbaaes poeartoin.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Laev essytme atbelsapc eraedw rtie.
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.