Enable Source Tracking in Sandboxes

Turn on source tracking so Developer and Developer Pro sandboxes automatically track changes between a Salesforce org and the local development project.

Available in: Professional, Enterprise, Performance, Unlimited, and Database.com Editions

User Permissions Needed
To view a sandbox:	View Setup and Configuration
To create, refresh, activate, and delete a sandbox:	Manage Sandbox
To enable Source Tracking:	Customize Application

This feature is available in Developer and Developer Pro Sandboxes only.

To enable Source Tracking in Sandboxes:

Log in to your production org.
From Setup, in the Quick Find Box, enter Dev Hub and select Dev Hub.

If you don't see Dev Hub in the Setup menu, make sure that your org is one of the supported editions. Dev Hub is available in Enterprise, Performance, and Unlimited Editions.
Select Enable Source Tracking in Developer and Developer Pro Sandboxes.

After you enable this setting, Developer and Developer Pro Sandboxes that are created or refreshed have Source Tracking enabled. For information about how to use source tracking in sandboxes, see the Salesforce DX Developer Guide.