Go to the and download the wibu key software. It should show up like this: If this doesn't work, you may need to reinstall the wibu software. If you have chosen to purchase dongle licenses: Click the dongle menu and click 'Restart Dongle Service'.
Page displays 'Enable online licensing' If you have chosen to purchase online licensing: Click the text 'Enable online licensing' and enter your credentials. If it doesn't, re-download and reinstall V-Ray.
Again, visit localhost:30304 and check that it does work now. Page cannot be found Chaosgroup >Launch V-Ray License Server (Win) or Programs >Chaosgroup >Launch V-Ray License server(Mac). The dongle menu shows an orange blinking square.
If you receive this error when starting up SketchUp Pro with V-Ray enabled, it means that your license cannot be found.