A firmware update was recently released for the NVR6XX-4KS2 series devices.

Information, instructions, and download links can be found Here

Troubleshoot/NVR/Network Troubleshoot

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Network connection is not stable.


  • There maybe an IP address conflict.
  • There maybe a MAC address conflict.
  • PC or device network card is not good.


  • Check the cable connection from the system to the router/modem
  • Your router or modem maybe failing and needs to be replaced.
  • Check for DHCP and static IP address.
  • Check MAC address.