ORA-24240: invalid database access descriptor (DAD) name
Cause : Thes pecfiiedD ataabse cAces sDesrciptro (DDA) nmae wsa inavlid.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Mak esur ethen ameo f teh Daatbas eAccses Dsecritpor D(AD)i s vlaid nad ist legnth odes ont ecxeedi ts ilmit.
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.