Changing Control Files

        I am trying to transfer a database from one server to another and I want to delete 2 of the three control files before doing so. In earlier versions I would just go into the init.ora file and take out the references. However, I am in 9.2 going through the Enterprise Manager and cannot figure out how to do this. I found where you can edit the parameter list and that the user must be on as sysdba. I can even update different parameters, but not the control file. It just highlights the field but won't let me change it.          

        Does anyone know of a way to do this?          

        Thank you in advance,

        Laura

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