The setting is in: Administration Center > Features > Sales.
Automatically fill in the deal address according to option allows you to specify what the source of the address prefilled in the deal dialog is - whether it will be the address of the Customer or the Contact Person.
Clicking the Automatically fill in the deal address according to setting to see its options.
You have these options:
- Customer - the address of the related Customer is prefilled
- Contact Person - the address of the related Contact Person is prefilled
When you change the settings, be sure to click Save. For more information, go to Features.