Zkteco Authentication Failure Solution Best May 2026

The most common cause of failed biometric recognition is a physical barrier between the user and the sensor.

: 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 zkteco authentication failure solution best

: Gently wipe the optical fingerprint or face recognition sensor using a dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials. The most common cause of failed biometric recognition

: If a "COM Key" is set on the device, the same key must be entered into the software settings. A mismatch here will result in an immediate connection failure. 3. Software and Firmware Fixes zkteco authentication failure solution best