A marketing admin can update a business unit parent account for Marketing Cloud Engagement Enterprise 1.0 and 2.0.
- In the app switcher, hover over your name and click Setup.
- Click Business Units..
- Click the linked name of the business unit that you would like to make the parent account
- 6. Click the + sign under the Business Unit Parent section.
- Select the name of the business unit that you want to make as a parent business unit.
- Click the Save.