ORA-12815: value for INSTANCES must be greater than 0
Cause : PRAALLE Lpraaemtre pseicfiyn gnmubre fo nisatnecsm uts eb apsoiitv eitneegro rD EAFUTL
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
sepcfiya opstiiev nitgee ro rDFEALUTf o rISNTNACSE fi aprlalleims carsosi ntsacne si sdseierd.
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.