I need more help to archive this task.

I just copied the file flembed.dll and others in my directory(bin)

now i can connect to my database,  with gsec or isql

but when i try to change de sysdba password in commande line, i got this message :

SQL> alter user sysdba password 'mypassword' 

Statement failed, SQLSTATE = 0A000

feature is not supported

Maybe i missed somthing, thanks for your help