not sure how OHIF works. Conquest supports query and WADO, that might be enough. Little time to sort it out.
conquest supports WADO, but not QIDO. So OHIF must be used with DIMSE (normal DICOM query). So if you can talk me through installing OHIF on windows I can maybe help you.
A typical conquest WADO root is (make sure the conquest web interface works first though, otherwise WADO wont work):
The typical DIMSE configuration of conquest is:
You will need to "ohif" to known DICOM providers:
OHIFDCM 127.0.0.1 3000 un