I reply to my own post.
Dear Marcel (Markro)
Limesuite.dll is the culprit.
Replace that dll with de limesuite.dll from the latest official version from sdrconsole and voila dvbs-s2 gui sees my limesdr usb.
VLC player gives nice video ( network udp://@127.0.0.1:8888)
GRTZ
Onno pa0ono