Essl Etimetracklite Error - Solver

This occurs when the SQL Server is inaccessible or the connection string is wrong. Verify your SQL Server credentials and ensure the SQL service is running.

| Error Code / Name | Typical Message | Primary Cause | | :--- | :--- | :--- | | | "Database connection lost" | SQL Server service stopped, incorrect instance name | | E-202 | "Fingerprint template mismatch" | Corrupted biometric data or firmware version mismatch | | E-403 | "Device communication timeout" | Firewall blocking port (usually 5005 or 5006), faulty Ethernet cable | | E-505 | "Attendance log duplication" | Server time mismatch or device buffer not cleared | | E-607 | "Export to Excel failed" | Missing MS Access Database Engine or permission issues on temp folder | | TCP/IP Error | "Unable to connect to device IP" | Subnet mismatch or ARP table corruption | | Runtime Error 13 | "Type mismatch" | Corrupted configuration file (Etimetrack.ini) | | ODBC Error | "Data source name not found" | 32-bit vs 64-bit driver conflict | | Fingerprint Capture Error | "Sensor communication error" | Driver conflict or low voltage on USB hub | | Backup/Restore Error | "Access denied" | Insufficient file system permissions on the backup directory | Essl Etimetracklite Error Solver