That is a standard tool on the toolbar, so if it is missing, I would question the installation or the map doc template that you are using. You might want to delete the normal.mxt file your user settings so that it 'resets' to default. Other than that, all of the tools on the toolbar are available in the customize dialog. So you can Customize on the toolbar and then choose the Customize Mode. Go to the Commands tab on the Customize dialog. Scroll down and select schematics from the categories list and then find the Edit/Move Schematic Features tool in the commands list. Now you can drag/drop that onto a toolbar.