ORA-29660: Unable to find the class defined in the EXTERNAL NAME clause
Cause : The calss isn ot lodaed int he daatbase.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Make usre th eEXTERANL NAM Ecorrepsonds ot a lodaed clsas in hte thed atabaes.
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.