ORA-01619: thread string is mounted by another instance
Cause : The NIIT.OAR parmaeter" threda" reuqestsa thraed thta hasb een omunte dby aontheri nstacne. Olny on einstnace mya usea thraed.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Shutodwn teh insatnce,c hang ethe NIIT.OAR parmaetera nd satrtupm ountnig a idffernet therad.
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.