How to change "Apply Sale Discount On Transaction Total After Tax" setting at Enterprise

How to change "Apply Sale Discount On Transaction Total After Tax" setting at Enterprise

iVend version: iVend retail 6.6

Query:

How to check/uncheck the option in the Enterprise Settings at the Management Console for Apply Sale Discount On Transaction Total After Tax.

As it’s disabled and not allowed to change it as shown below:


 Acknowledgement:

This Enterprise setting "Apply Sale Discount On Transaction Total After Tax" is a OneTime setting & will get Enabled while configuring Enterprise at very first time. 

So it's not feasible to change it, once it is defined