Create a new manager root
If you need more than one manager root, for example, in a multisite environment, you can create a new manager root manually.
A manager root contains all the settings that control how users work with the Email Experience Manager component. The component creates a manager root when you configure the EXM default settings for the first time after installation. If you need more than one manager root, for example, in a multisite environment, you can create a manager root manually.
To create a new manager root:
- In the content tree, right-click the Content item, click Insert, and then click Insert from Template.  
- In the Insert from Template dialog box, select the Manager Root template at - /templates/Branches/System/Email/Manager Root. If necessary, modify the default item name. 
- Click Insert. 
- Open the new manager root item and on the Content tab, configure the manager root settings.  
Now you can use the newly created manager root in your solution