Appliation that works under Windows 10 fails under Windows Server 2019

[dca00]

It prints this before it fails to open camera device:

[ WARN:1@0.626] global D:\a\opencv_files\opencv_files\opencv\modules\videoio\src\cap_msmf.cpp (917) CvCapture_MSMF::initStream Failed to select stream 0
[ WARN:1@0.626] global D:\a\opencv_files\opencv_files\opencv\modules\videoio\src\cap_msmf.cpp (917) CvCapture_MSMF::initStream Failed to select stream 0
[ WARN:1@0.628] global D:\a\opencv_files\opencv_files\opencv\modules\videoio\src\cap_msmf.cpp (917) CvCapture_MSMF::initStream Failed to select stream 0
[ WARN:1@0.628] global D:\a\opencv_files\opencv_files\opencv\modules\videoio\src\cap_msmf.cpp (917) CvCapture_MSMF::initStream Failed to select stream 0
[ WARN:1@0.631] global D:\a\opencv_files\opencv_files\opencv\modules\videoio\src\cap_msmf.cpp (917) CvCapture_MSMF::initStream Failed to select stream 0
[ WARN:1@0.632] global D:\a\opencv_files\opencv_files\opencv\modules\videoio\src\cap_msmf.cpp (917) CvCapture_MSMF::initStream Failed to select stream 0
[ WARN:1@0.632] global D:\a\opencv_files\opencv_files\opencv\modules\videoio\src\cap_msmf.cpp (917) CvCapture_MSMF::initStream Failed to select stream 0
[ WARN:1@0.633] global D:\a\opencv_files\opencv_files\opencv\modules\videoio\src\cap_msmf.cpp (917) CvCapture_MSMF::initStream Failed to select stream 0

Tested Teams and Skype and both can open the camera.