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I am using the ZKteco device (speedFace-V4L) with the ZKFace VX5.8 facial algo.

I want to download and upload the users faces templates, but I can't do it.

If I try to download the face template (from device to software) it works, but the opposite does not work, it downloads all other information without a face template.

I debugged this and found the error code is -103, according to the documentation which means device send back error of face version error

Device send back error of face version error

I tested the official demo with this device, and it still doesn't work!

I'm using GetUserFaceStr(int dwMachineNumber, string dwEnrollNumber, int dwFaceIndex, ref string TmpData, ref int TmpLength); function to get user informations and SetUserFaceStr(int dwMachineNumber, string dwEnrollNumber, int dwFaceIndex, string TmpData, int TmpLength) to set it

I forgot to say that the functions are working fine with the MB2000 device.

How can i solve this please.

Device: SpeedFace V4L Face algo: ZKFace VX5.8 SDK: Standalone SDK-6.3.1.43 Language: C#, WPF

Adam
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  • You can try with zkteco api: https://camsunit.com/application/biometric-web-api.html . It is a paid service. But you can do using this API. – Ravanan Dec 26 '21 at 06:52

1 Answers1

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I had the same problem just a few days. We contacted ZKteco support and this the solution:

The Standalone SDK is not fully compatible with ZkTeco Visible Light Series devices and you have to contact ZKteco Sales to request the Push SDK which is in deed a communication protocol Http based so they will give access to the Api.

The ZkTeco new devices have http server like embeded. Also you have to pay for that Push SDK.

But with it you will be able to download user faces and upload user faces to SpeedFace v4L devices via TCP IP.

Peter Csala
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Julio Martinez Carrasco
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