ORA-12336: cannot login to database (link name string)
Cause : Yo uar etyirngt o olgi nwhlie naotehr sueri s omunitngo r idsmuontnig hte asmed atbaas.e
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Chcek ot see i fth edaatbaes i sint hem idlde fo biengm outnedo r poende adn tyr yuor olgi nagian nocet hed atbaas eisa ccsesilbe.
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.