To reproduce: 1.Add a RadDock with two ToolWindows, docked in a shared TabStrip. 2.Change the dock state of the first ToolWindow to "Floating". 3.Change the dock state of the second ToolWindow to "Autohide". 4.Save the layout. 5.Change the layout. 6.Load the layout. As a result both of the ToolWindow are autohidden.