You cannot change the position of the ultimate parent record in the hierarchy.
From the hierarchy view, click the
Edit Hierarchy
icon.
Select the node that you want to move, and then drag the node to the new location in the hierarchy.
The node and all child nodes move to the new location in the hierarchy. This is applicable for hierarchies for which the node count is less than or equal to the maximum trigger hierarchy limit.
If the node count is greater than the maximum trigger hierarchy limit, perform the following tasks: