Updating Singleton Ownership
Complete the following steps to update a singleton from the Singleton Hierarchy Screen:
- On the Singleton Hierarchy screen, click the Update Owner button at the bottom of the screen. 
 The Change Ownership popup window opens.  
- Use the picker tool to select a Current Owning Org for the singleton. 
- Click the Save And Refresh button. 
 The singleton is updated with the new owner.