Execute the registration command based on your file placement: cd C:\Windows\SysWOW64 regsvr32 zkemkeeper.dll Use code with caution. For 64-bit SDK placed in System32: cd C:\Windows\System32 regsvr32 zkemkeeper.dll Use code with caution.
This occurs if you are running a 32-bit application but only registered the 64-bit DLL. You may need to register the 32-bit version in SysWOW64 as well.
To make the DLL visible to the Windows Registry, you must register it using the regsvr32 tool. Type in your Windows search bar.
Paste the files into this folder. (Note: You will need Administrator privileges). Step 3: Register the DLL via Command Prompt
If successful, you will see a dialog box saying: "DllRegisterServer in zkemkeeper.dll succeeded." 3. Important Setup for Developers (Visual Studio)
In the Command Prompt, navigate to the 64-bit system directory by typing: cd C:\Windows\System32 Use code with caution. Press Enter. Register the DLL by running the following command: regsvr32 zkemkeeper.dll Use code with caution. Press Enter.
To properly utilize zkemkeeper.dll on a 64-bit machine, the file must be placed in specific system directories and registered via the command line to ensure it is recognized by the Windows registry. 1. Locate and Placement of Files
If your software is 64‑bit, contact ZKTeco for a native 64‑bit DLL. If it’s 32‑bit (most common), follow the SysWOW64 + regsvr32 method.
Complete Guide to Installing zkemkeeper.dll for 64-bit Systems