When starting DDO, the setting in graphics is grayed out and set on dx9. I am not prompted to switch graphics modes.

I just did a clean install of Windows 8 on a pc. (Only program installed is DDO!)
When running windows 7 with exact same hardware, DDO ran in DX11.

Windows is fully updated
Graphic drivers are fresh from ATI/AMD website.
Confirmed that nothing is in 'compatibility mode'.
Made fix to userpreferences file setting displayadapter=1
DXDiag confirms dx11.
Ran benchmark utility, works great in dx11 mode.

Graphics Card: ATI HD5750
CPU AMD FX-4130 Quad Core
8GB Ram
Windows 8 x64
MSI Motherboard does not have integrated graphics.

Any ideas on what the problem is and how to fix it?