vehicle detection

I have a Hikvision NVR DS-7716NXI with several CCTV cameras including an ANPR. I have enabled the Vehicle Detection setting on the NVR to perform a SMART EVENT when the ANPR triggers a vehicle detection. The Linkage Action is enabled for 'Notify Surveillance' & 'Send Email'. The problem is...

Hi, I am trying to enable Vehicle Detection and VCA Face capture, when i try via my Chrome browser on mac. i get error "Does not support the function." when i log directly into each camera they are enabled. when i try to enable via iVMS-4200 app on macOS the face detection is grey out - But...