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Create a file install_zkem_x64.bat with the following content (run as Administrator):
Save this script in the folder containing your SDK binaries and execute it with administrative privileges on the target machine.
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On a 64-bit version of Windows, 64-bit system files must be placed in the System32 directory. zkemkeeper.dll install 64 bit
Type the following commands exactly, pressing after each line: cd C:\Windows\System32 regsvr32 zkemkeeper.dll Use code with caution.
: The standalone ZKDigitalSDK is natively compiled as a 32-bit COM/ActiveX component. The Windows Storage : 64-bit DLLs belong in C:\Windows\System32 .
: A 64-bit application can only load 64-bit DLLs. A 32-bit application can only load 32-bit DLLs. Create a file install_zkem_x64
Some modern ZK SDK versions do not require COM registration. Instead, they rely on side-by-side assembly. This is increasingly common in 64-bit environments.
The system needs to "see" the new ActiveX control in the registry. Click , type cmd . Right-click Command Prompt and select Run as Administrator . Type the following command and press Enter : regsvr32 C:\Windows\System32\zkemkeeper.dll Use code with caution. Copied to clipboard
: Even after the DLL was registered, his code crashed. He realized his Visual Studio project was set to "Any CPU." He manually forced the Platform Target to x64 to match his new 64-bit DLL. The Resolution: Connection Established Type the following commands exactly, pressing after each
ZKTeco provides an SDK installer that automatically places the correct DLLs (both 32-bit and 64-bit) into the correct system directories and registers them. This is often safer than manually moving DLLs.
If you are trying to register a 32-bit DLL using the default system regsvr32 (which defaults to 64-bit on a 64-bit OS), it will fail. Ensure you explicitly change your command prompt directory to C:\Windows\SysWOW64 and execute the regsvr32.exe located inside that specific folder. Error: "Registration failed with error code 0x80040200" This error indicates a permission restriction.
To make the ActiveX component visible to the Windows registry, you must use the Microsoft Register Server ( regsvr32 ).