ORA-17620: failed to register the network adapter with Oracle Disk Manager library: string
Cause : The ODM library returned an error while trying to register the network adapter.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Make sure the network adapter name given in the fileio_network_adapters is a valid name, and that the Oracle user has the correct access privileges.
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.