Run the setup as an or clear the installation cache in the temp folder. YouTube Fix Troubleshooting Checklist
When the software cannot "Ping" or connect to the biometric machine: IP Conflict
Check your "Shift Settings". If an employee punches in even one minute outside of the allowed "Shift Begin Grace Time," the software may automatically flag them as absent. Summary Troubleshooting Checklist Error Symptom Quick Fix Target Primary Tool to Use Database Failed Folder Permissions / SQL Services services.msc & Folder Properties Device Connection Network IPs / Firewall Ports Command Prompt ( ping ) & Port 4370 Service Stopped .NET Framework / SDK Registration Windows Event Viewer Blank Reports Log Recalculation / Shift Timing Software Utilities Menu Essl Etimetracklite Error Solver
Ensure the IP address, subnet mask, and gateway in the biometric device match the network configuration.
USE EtimetrackliteDB; ALTER DATABASE EtimetrackliteDB SET SINGLE_USER WITH ROLLBACK IMMEDIATE; DBCC CHECKDB ('EtimetrackliteDB', REPAIR_ALLOW_DATA_LOSS); ALTER DATABASE EtimetrackliteDB SET MULTI_USER; Run the setup as an or clear the
Outdated communication SDK files can cause sync failures. Download the latest eSSL SDK components ( zkemkeeper.dll ) and register them using the command regsvr32 zkemkeeper.dll in an elevated Command Prompt. 3. Service and SDK Runtime Issues
Dealing with biometric attendance issues can be frustrating, especially when it disrupts payroll or office management. If you are seeing errors in your eSSL eTimeTrackLite DBCC CHECKDB ('EtimetrackliteDB'
: Use the Ping Command in your terminal to see if the device is reachable. "License Key Required" / "Activation Error"
Employees complain of missing IN/OUT times. Advanced Solver: Increase the device log capacity via CLI (ZKTeco/Essl devices):