I found it very odd myself, but I could not find a way to make it do anything else, and the only documentation I found on the method just says "Not implemented on the Windows platform."

On Fri, May 24, 2019 at 12:36 PM Fabian Maurer <dark.shadow4@web.de> wrote:
There's no configuration in which the function succeeds? This would be
surprising.

Regards,
Fabian Maurer