INCONVENIENTE VISUAL DE CÁMARAS / VISUAL INCONVENIENCE OF CAMERAS

Answered

Gerardo Pabon

October 22, 2026 21:47 Edited

Good day, there was a problem with the cameras of a HIKVISION DS-7616NI-K2 / 16P NVR, which could be viewed normally through NX, but suddenly they went 'Offline.' It was thought to be an NVR issue, but the cameras can still be seen on the local network. However, after a restart, they still don’t show up on NX. When clicking on diagnostics, it says 'FAIL: Cannot open media URL 10.18.16.85. The connection to port 554 was unexpectedly closed. Make sure the camera is connected to the network. Try restarting the camera.' They were removed and added again, and they still show offline, but when accessing settings from NX and then the web page, it allows normal access. Any restrictions or network issues have already been ruled out with the IT department.

It should be clarified that the cameras are Hikvision and Hanwha, which are added through the NVR's subnet; however, the NVR configuration has already been confirmed and everything is in order, it hasn’t changed since they were working.  

I’d like to know if there’s anything we need to keep in mind. I thought it was a server issue, but the same problem occurs on all servers.  

I appreciate your help.

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  Mohammed

  October 22, 2026 16:57

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  Hi Gerardo,

  If you cameras have logs which I believe Hanwha cams do, are there any failed login attempts coming from the NVR? Sometimes cameras blacklist your NVR but the response they give it is vague.

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  Gerardo Pabon

  October 22, 2026 18:35

  Gracias Mohammed, no hay ningún intento fallido proveniente del NVR en el registro. Y lo que es raro, es que las cámaras por la integración web de NX si permiten la visual de todas las cámaras. Por eso no se si puede ser una configuración de NX por lo que venían trabajando con normalidad.

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  Mohammed

  October 22, 2026 18:48

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  Sorry, I am translating your text because I don't speak Spanish. You mean, when you go to Camera Settings -> Web Page tab?

  If that's the case I suggest you try this:

  Camera Settings -> Expert and tick on Keep camera stream and profile settings

  

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  Gerardo Pabon

  October 22, 2026 21:49 Edited

  On the Web Page tab, if you can view it and there’s a connection.

  

  But in NX it’s still offline and that option doesn’t show as enabled.

  

   

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