When adding a device via Guarding Vision domain or scanning QR code, if the Guarding Vision service is not enabled for the device, the Enable Guarding Vision Service window will pop up to remind you to enable the service first.
Perform the following task to enable the Guarding Vision service in this case.
Continue the process for adding the device. See Add a Device by Guarding Vision Domain or Add Device(s) by Scanning Device QR Code for details.