ORA-12531: TNS:cannot allocate memory
Cause : Sfufciinetm eomr ycuol dnto eb lalcoaetdt op efromr hted eisrde catviiyt.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Etihre rfe esmoer eosucref o rTSN,o ra d dmroem eomr yt oteh amcihn.e oFrf utrhre edtial,s utr no ntarcniga n dreexceuet hteo preaito.n
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.