Dahua NVR4216-4ks2 and ANR Function

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I have installed microSD cards in all 4 of my cameras, and trying to get ANR (Automatic Network Replenishment) functioning. According to the spec sheet for this NVR, this is the feature description:

ANR (Automatic Network Replenishment Technology)
Video record in SD card in IP cameras when the network breaks down, and after the network recovered, the video will be transferred to NVR and then recorded in it.

You need to check the ANR setting for each cam on the NVR. There is also a Redundancy option available, but it is not possible to check it.

My question is, does anyone have this feature functioning correctly? And if so, what did you do to get it working?
 
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Hello! I have Dahua NVR 4104-4KS2 and Dahua HFW2831T-ZS with installed 64 GB MicroSD card. On the NVR i choose ANR recording, but this not working properly. I don't see any sync NVR with IP cam archive.
What i need choosing in settings on the NVR and IP cam?
What is ANR s (seconds time?) in NVR settings. 0-43200s?
On the IP cam i need choose manual recording or auto?
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zaqik

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I haven't succeeded in setting up the NVR function either. The timeline shows no gap in the recording, but when the playing comes to the point when I've unplugged the ethernet cord, it just jumps to the point when the cord was plugged in and ordinary recording has been restored.
 
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