Solution To "Device is Not Registered" of CCTV DVR and NVR

If you encounter the issue of "Device not registered" when you try to connect to you CCTV cameras using the mobile app ivms-4500, here is the solution to it:

1) While you are in the same network of your CCTV system, open your browser (Firefox recommended) from your computer (NOT mobile phone).

2) Type the URL address of your NVR/DVR, and login the system (if you are not sure how to do this, please refer to our remote support to get help from us)

3) Go to "Configuration" -> "Network" -> "Basic Settings" -> "TCP/IP". Make sure the DNS server is set to "" and "". Click "Save" when you are done. The screenshot is shown as below.

4) Go to "Configuration" -> "Network" -> "Basic Settings" -> "DDNS". Select "Asia" in Area (or Locality in some system). Select "Singapore" in Country. The screenshot is shown as below.

5) Click "Save"

The issue of "Device not registered" should be resolved by now. 

If you have any difficulties, or still don't know how to do it, don't worry, please refer to our remote support to get help from us.