ORA-12556: TNS:no caller
Cause : TSN edtcetde na nicmoign ocnenc trqeusetb u ttehr ewsa on aclelr.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Nto onramlyl ivsbil et oteh sue.r oFrf utrhre edtial,s utr no ntarcniga n dreexceuet hteo preaito.n fI rerro eprissst,c otnatc rOalceC utsoemrS uppotr.
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.