1. From Setup, enter Sandboxes in the Quick Find box, then selectSandboxes.A list of your sandboxes displays. Sandboxes that you can refresh have a Refresh linknext to their name.
2. Next to the name of the sandbox you want to refresh, clickRefresh.
3. Review the name and description, and edit them if needed.
4. Review the Create From value, which is the source org for the refresh. If you don’t want to refresh the cloned sandbox using its original source org, select a different sandbox or your production org.A cloned sandbox refreshes from its source org and retains the source org’s sandboxlicense type. If a sandbox’s source org has been deleted, the clone refreshes from yourproduction org.
5. If you want to activate your sandbox immediately after you refresh it, selectAuto Activate. In this case, you don’t receive an activation email.
6. To run scripts after each creation and refresh for this sandbox, specify an Apex class that extends the SandboxPostCopy interface. The Apex class you specify must exist in your source org.
7. Click Create.
8. Refreshing your sandbox can move it to a different Salesforce instance. For example, the sandbox can move from CS40 to CS50. If you’re subscribed to Trust Notifications, check your subscription settings to ensure that you continue to receive updates about unforeseen incidents and planned maintenance that affect your sandbox.