Hi @Clive_A , The previous record still exist. Only problem is it just didn't record while the internet down. i did restart the NVR and Cam still the same. When the internet connection resume, it...

@Clive_A Yes. everything work fine except recording when the internet down.

My NVR1004H-4P is connected to two C440 cameras and two C340 cameras with POE, along with a hard drive, and everything was functioning and recording properly. However, one day my internet service...