ORA-10641: Cannot find a rollback segment to bind to
Cause : SYSTEM tablespace migration requires rollback segment in locally managed tablespace.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Drop rollback segments in dictionary managed tablespaces other than SYSTEM and create rollback segments in locally managed tablespace and retry migration.
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.