ORA-24392: no connection pool to associate server handle
Cause : OCIServerAttach called in OCI_POOL mode but no connection pool found to associate the server handle.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
1) Verify that OCIConnectionPoolCreate is called before calling OCIServerAttach. 2) Verify that the database link specified in OCIServerAttach matches with that of the connection pool database link.
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.