Zkteco Authentication Failure Solution Best Jun 2026

Visit the ZKTeco support portal and check for the latest firmware for your model.

Ask the user to rub their finger against their forehead or nose to pick up natural oils before scanning. For a permanent fix, re-enroll the user using a different finger or switch them to an RFID card/PIN code. 3. Resolve Data Synchronization Issues zkteco authentication failure solution best