2659183 - How to restrict all users to use the SAP Belize theme(Fiori theme) in SAPGUI

You want to restrict all users to use the SAP Belize theme(Fiori theme) in SAPGUI.
In SAP GUI Options -> "Visual Design" -> "Theme Preview/Settings", if the user checks
the "Accept Belize theme" option, SAP Belize theme(Fiori theme) will be used in SAPGUI.
But the end user can uncheck it manually. 

So we need to set the "Theme Preview/Settings" option to read only, so that the user will
not be able to change the "Theme Preview/Settings" setting manually, and other options
in SAP GUI Options will remain editable.

SAPGUI 750

SAPGUI 760

SAP GUI for Windows; SAPGUI; SAP GUI; Accept SAP Fiori visual theme; Accept Belize theme; read only; readonly; grayed out; greyed out. , KBA , BC-FES-GUI , SAP GUI for Windows , How To