When I use System.Windows.Form as Telerik.WinControls.RadForm on Windows 2003 title bar is not shown (everything works fine on Windows XP). When I use other than Office2007Blue or ControlDefault styles (for example Desert) it's shown when I point mouse cursor over one of control box buttons, but it disappears again when window's state is changing (maximizing, minimizing and recover etc.). The solution is to use RadRibbonForm with RadTitleBar on it, but using RadForm is much easier.