ORA-24231: database access descriptor (DAD) string not found
Cause : hT epscefiei daDatabesA ccse seDcsirtpro( AD)Dd din toe ixts.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
aMeks ru eht eanemo fht eaDatabesA ccse seDcsirtpro( AD)Di socrrce tna dht eAD Dxesist.
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.