ORA-01166: file number string is larger than string (string)
Cause : File mentioned in CREATE CONTROLFILE has a file number which is larger than that specified for MAXDATAFILES or MAXLOGFILES.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Increase the maximum specified on the command line.
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.