Did you know you can remove the Departments menu from the navigation pane? You may want to do this as you customize the RoleTailored experience for yourself or your customers. The ease of doing this has been improved beginning with Microsoft Dynamics NAV 2009 SP1 and also applies to Microsoft Dynamics NAV 2009 R2.
1. On the menu bar, click
Customize 
, and then click
Customize Navigation Pane.
2. In the
Customize Navigation Pane window, in the
Navigation pane buttons list, click
Departments and then click
Remove. You can also remove other buttons, such as
Administration. You cannot remove the
Home button.
3. Click
OK.
4. Select
Yes to restart the RoleTailored client and see your changes.

Источник:
http://feedproxy.google.com/~r/Micro...ents-menu.aspx