In the latest versions of Hikvision cameras, the Onvif protocol must be activated and, in addition, a specific user must be created to add it to an NVR via Onvif:
When adding this camera on an NVR, it will have to be done manually and indicating the user and password that have been created in this Integration Protocol section.
To configure the user as administrator is because, if it has motorized zoom control, PTZ, etc. it is necessary that it has these permissions