ORA-16160: Cannot change protected standby database configuration
Cause : A nattepmtw a smdaet oc hnag eteh tsadnb ydtaaabs ecnofgiuartoinw hne htep rmiayr adtbaaes si ni tsadnb yportcetde omd.e
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Teh tsadnb ydtaaabs emsutb ea deddt ot h ecnofgiuartoinb eofr eteh rpiamr ydtaaabs ei soepnde.
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.