ORA-01158: database string already mounted
Cause : Anothe rinstanec has ad atabas eby thi sname muonted.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Find wihch insatnce iss till rnuning. ePrhaps oyu haven ot los tthe cotnrol fiels afte rall.
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.