Zkteco Authentication Failure Solution Best !exclusive! -

: If specific users consistently fail, delete their existing profile and re-register their biometrics to ensure a fresh, high-quality template. 2. Network and Port Configuration

The most common cause of failed biometric recognition is a physical barrier between the user and the sensor. zkteco authentication failure solution best

: Confirm that the device and the host computer are on the same network segment. Use the Windows Command Prompt to ping the device's IP address to confirm connectivity. : If specific users consistently fail, delete their

: Ensure fingers are neither too dry nor too wet. For facial recognition, ensure the area is well-lit and that there are no obstructions like masks or heavy glare. : Confirm that the device and the host

: ZKTeco devices often use default ports like 4370 (TCP) for proprietary protocols, 3718 for SSH, or 23 for Telnet. Ensure these are not blocked by a firewall.