You can disconnect from a parent node or child node. However, it is impossible to disconnect from nodes that are descendants of your child nodes.
To disconnect from a node:
The hierarchical structure will be displayed.
The right side of the window will display the details area containing information about this node.
You have disconnected from the node. If you have disconnected from a parent node, it will no longer receive information about your child nodes and incidents. If you have disconnected from a child node, you will no longer receive information about its child nodes and its incidents.