Desktop Duplication API & switchable graphics

Question

The problem: calling IDXGIOutput1::DuplicateOutput method returns DXGI_ERROR_UNSUPPORTED when you run an application using discrete graphics controller on a

Answer 1

solved:

unfortunately this issue occurs because the Desktop Duplication API does not support being run against the discrete GPU on a Microsoft Hybrid system. By design, the call fails together with error code DXGI_ERROR_UNSUPPORTED in such a scenario.

To work around this issue, run the application on the integrated GPU instead of on the discrete GPU on a Microsoft Hybrid system.

from here: https://support.microsoft.com/en-us/kb/3019314