Questions tagged [zkemkeeper]
34 questions
7
votes
6 answers
Biometrics device ping becoming failed after sometime
I have ZKTeco Biometrics device which is connected with a C# windows application using This tutorial (C# ZKTeco Biometric Device Getting Started).
It is working fine but after sometime, my application becoming failed to ping the device. As below…

Muhammad Faizan Khan
- 10,013
- 18
- 97
- 186
4
votes
2 answers
Retrieving the COM class factory for components with CLSID - Class not registered
I am trying to run my Windows Application (winForm) on a PC (OS Win7, 64 Bit) but it showing me this error or exception:
Retrieving the COM class factory for components with CLSID
{00853A19-BD51-419B-9269-2DABE57EB61f} failed due to the…

Muhammad Faizan Khan
- 10,013
- 18
- 97
- 186
2
votes
1 answer
Enroll face using Zkteco
I cannot enroll face via C# application. I can enroll directly in the device and I can access the enrolled face using the function GetUserFaceStr. I could do fingerprint enrollment from c# application. But device not responding to face enrollment.…

Skn
- 21
- 2
2
votes
1 answer
How to remove wrapped/custom event handler added from an instance of a class VB.NET
I need to create multiple instance of zkemkeeper.CZKEM to create active (250+) connections to multiple biometrics devices with events at a time. I created a class to do my desired output:
Public Class ZKEMEventsClass
Public CZKEM2 As New…

NickNok_27
- 25
- 6
1
vote
0 answers
Zkemkeeper.dll working from visual studio but not working on IIS
I'm using zkemkeeper in asp.net mvc project work fine in development but when I publish website on IIS on my device (same computer where development work) zkemkeeper not working and I have error as on bellow
Retrieving the COM class factory for…

Omar Ismailian
- 11
- 1
1
vote
1 answer
System.Runtime.InteropServices.COMException: 'The server threw an exception. (Exception from HRESULT: 0x80010105 (RPC_E_SERVERFAULT))'
I am working with zkemkeeper 64 bit. I am having an error When i ccall
bool a = axCZKEM1.Connect_Net(IPAddress, Port);
axCZKEM1 is my zkemkeeper.CZKEMClass object.
The following error i am getting.
System.Runtime.InteropServices.COMException: 'The…

Mayukh
- 11
- 4
1
vote
0 answers
zkemKeeper can not fire events in c# desktop application
i have connected device with computer, and also able to retrieve user ids from device but unable to fire events
it is in c# desktop application, when i press my finger on machine, desktop app not responding
i will be thankful of you on support to…

user3004256
- 11
- 3
1
vote
0 answers
Getting finger print bytes on real time events from zkteco device using zkemkeeper
hi i am working on a application developed in c#
using zkemkeeper sdk and Machine is Zkteco TFT
every thing is working fine and all events are working but i need to bypass device verification when some one swipe his finger i want to get finger…

Dynamix SOL
- 11
- 3
1
vote
1 answer
connect biometrics zkemkeeper using asp mvc?
i hope to all good.
So i'm working on Project using ASP.Net MVC by C# language and i want to integrate biometric fingerprint machine"ZKTECO model k30" after searching i found must using the zkemkeeper SDK but the SDK for windows application any…

Mahmoud Samy
- 439
- 4
- 20
1
vote
1 answer
CZKEM does not contain definition (zkemkeeper-related)
I am using the Standalone SDK from ZKTEco for a fingerprint scanner. I need to add some custom functionality.
I've downloaded the SDK along with the Demo project. Now when I try to build the Demo project, I get the following error
"Severity Code …

User ZKEM
- 11
- 1
- 3
1
vote
1 answer
Error when inserting finger print data into database table
I am working in a project that's already built and functional at the moment. But there is an issue when I try to insert finger print from device to database table. Let me write it was working fine earlier. But when I setup a new computer or moved…

AT-2017
- 3,114
- 3
- 23
- 39
0
votes
0 answers
Enroll RFID Card using Zkteco in C#
I cannot enroll RFID Card via C# application.
I could do fingerprint and face enrollment from c# application.
But I can't register a user RFID card in ZKTECO Device using ZKemKeeper.dll
Any help would be appreciated. Thanks in advance

SamanNarimano
- 1
- 1
0
votes
0 answers
objZkeeper = new ZkemClient(RaiseDeviceEvent); throw an Exception
In my ASP.Net web core MVC when debugging into "objZkeeper = new ZkemClient(RaiseDeviceEvent);" the visual studio throw an Exception: Retrieving the COM class factory for component with CLSID {00853A19-BD51-419B-9269-2DABE57EB61F} failed due to the…

Dung L.V.
- 1
- 1
0
votes
0 answers
How to resolve COMException 0x80040154 in x64 Windows Forms program while using zkemkeeper?
I want to get 64-bit output from my program, but it gives an error when running.
zkemkeeper.CZKEMClass cZKEMClass = new zkemkeeper.CZKEMClass();
System.Runtime.InteropServices.COMException HResult=0x80040154 Message=Retrieving the COM class…

Mehrdad Ghasemi
- 3
- 2
0
votes
0 answers
identify sender from OnAttendance event in zkemkeeper with c#
identify sender from OnAttendance event in zkemkeeper vb.net
ı have similar problem.Is there an any idea about this problem.?
zkemkeeper.CZKEMClass[] axCZKEM = new zkemkeeper.CZKEMClass[10];
I have ten devices.
How will I know which device triggered…

Murat Şenel
- 1
- 1