ORA-16012
        database identifier mismatch
        
        
        Cause
        The database identifier of a target physical standby, snapshot standby, or far sync did not match that of the primary database. See the alert log file for additional information.
        Action
        Ensure that the database identifier of each physical standby, snapshot standby, and far sync matches that of the primary database.
        
     
    
    
        ORA-16012
        database identifier mismatch
        
        
        Cause
        The database identifier of a physical standby database did not match that of the primary database.
        Action
        Ensure that the database identifier of each physical standby database matches that of the primary database.
        
     
    
    
        ORA-16012
        database identifier mismatch
        
        
        Cause
        The database identifier of a physical standby database did not match that of the primary database.
        Action
        Ensure that the database identifier of each physical standby database matches that of the primary database.