Dahua AI / IVS Intrusion Events Not Available for SDT4E425 in NX Witness

Answered

Pavol

November 10, 2026 14:26

Hello,
I´m unable to receive or use Dahua IVS Intrusion analytics events from the Dahua DH-SDT4E425-8P-GB-APV1 camera in NX Witness.
Nx Version: 6.1.2.42921
Camera Model: Dahua DH-SDT4E425-8P-GB-APV1
Camera Firmware: 3.211.0000019.1.R

IVS Intrusion is configured and working correctly on the panoramic sensor of the SDT4E425.

When the panoramic sensor detects an intrusion:

• The camera detects the intrusion using its IVS rule.
• The PTZ sensor automatically turns towards the detected object.
• The PTZ sensor then tracks the object.

This confirms that IVS detection and linkage tracking are functioning correctly inside the camera.However, Nx Witness does not appear to receive the corresponding IVS Intrusion event.

The following Dahua cameras are integrated correctly in the same Nx Witness environment: IPC-HDW5559TM-ASE-IL, IPC-HDW5541TM-ASE.
For these models:

• The Dahua integration is available.
• IVS Intrusion is available in Nx Camera Rules.

My questions:

Is the Dahua DH-SDT4E425-8P-GB-APV1 supported by the Dahua AI plugin/integration in Nx Witness 6.1.2?

If it is not currently supported, is support planned for a future release?

Does the camera require a specific Dahua driver, plugin version or firmware version to expose IVS Intrusion events to Nx Witness?

Is there any alternative way to receive the camera's IVS Intrusion events in NX Witness?

Thank you. 

0

• 

  Norman

  • Network Optix team

  November 11, 2026 10:00

  Hi Pavol,

  Thank you for the detailed description.

  We don’t integrate specific Dahua models or firmware versions. Our integration uses the Dahua HTTP API. If one Dahua device works, any other device that implements the same API works too. 

  This might be a known issue. On certain Dahua firmware, the camera doesn’t respond to the request the Server uses to detect Dahua API compatibility. The Server then treats the camera as incompatible, so the Dahua integration doesn’t load and IVS Intrusion isn’t available in Camera Rules. We’ve made a fix for this in version 6.1.4. The official release is expected in December.

  If you’d like to test the fix now, you can use the following private patch: 

  • 6.1.4.43683 

  Please let us know if IVS Intrusion becomes available after the update.

  Best regards.

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