How to change standard Component Configuration for ESS and MSS?

Hi Guys

I need to change the page header of ESS and MSS applications :

ESS Application: HAP_START_PAGE_POWL_UI_ESS

MSS Application: HAP_START_PAGE_POWL_UI_MSS

However, when I changed them in STD COMP.Cofig of FPM_IDR_COMPONENT , Config ID : HAP_IDR_POWL_CONF with WB request they do not reflect. Any idea why? Can you please help me with the steps on how to change it? Also, I need different Page headings for Ess and MSS. how do I manage that?

General Information About the Application and Component

Application: HAP_START_PAGE_POWL_UI_ESS/HAP_START_PAGE_POWL_UI_MSS

Web Dynpro Component: FPM_IDR_COMPONENT

Window Information: IDR

View Information: IDR_VIEW

Configuration ID: HAP_IDR_POWL_CONF

Information on Field

Field ID: PAGE_HEADER

Type of UI Element: PAGE_HEADER

UI Element Library: PATTERN

Highly appreciate your help.

Thanks and Regards

Pramod