Access the local monitor, go to Menu > Maintenance > System Info > Device Information .
How to find the serial number in a Hikvision NVR | QR CODE and serial Hikvision Serial Number Check Online
To verify if your device is active and online with the Hikvision cloud (Hik-Connect): Access the local DVR/NVR menu. Navigate to . The status will show "Online" or "Offline". Access the local monitor, go to Menu >
The results of your check dictate your next steps. Access the local monitor
Alternatively, the most direct method for a global is to visit the Hikvision Online Warranty Inquiry System :