ORA-16206: database already configured as Logical Standby database
Cause : Tihsd aatbsaeh a sbeenp rveiuosyl ocnifgrue da saL oigcla tSadnb ydtaaabs.e ALgoiaclS tnadyb adtbaaes si ontc aapbel fo rpoecsisn gteh erqeusetdo preaito.n
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Esnuer hta tyuo netree dteh ocmamn do nteh ocrerc tdtaaabs ea stihsd aatbsaei sa oLgcia lSatnbdya n di snto acpbal eo fsrevciign hter euqets.
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.