BioTime 8.5 is an access control and time-attendance management platform by ZKTeco for managing biometric and RFID terminals, employee time records, shift scheduling, and basic access control. It typically includes a server application, a client/management console, and device communication modules.
| Error | Likely Cause | Solution |
|-------|--------------|----------|
| Port 80 already in use | IIS or Skype | Stop IIS service or change BioTime to port 8080 |
| Database connection failed | Wrong credentials or blocked port | Check PostgreSQL service, allow port 5432 |
| Java not found | Missing JRE | Install OpenJDK 11 manually |
| Cannot start Tomcat | Insufficient RAM | Increase VM memory or close other apps |
| License invalid | Wrong version or expired | Request new license from ZKTeco reseller |
BioTime will attempt to verify the database. If you see "Connection Successful", proceed. If not, go to Start Menu > ZKTeco > Database Configuration Manager and re-enter SQL server details. zkteco biotime 85 software install download
| Component | Minimum | Recommended | |-----------|---------|--------------| | OS | Windows Server 2016 / Windows 10 Pro | Windows Server 2019/2022 | | CPU | Intel Core i3 (2 cores) | Intel Core i5+ (4+ cores) | | RAM | 4 GB | 8 GB or more | | HDD | 50 GB free | 100 GB SSD | | Database | Built-in PostgreSQL | External PostgreSQL or MS SQL | | Network | 100 Mbps | Gigabit |
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Do not install BioTime 8.5 on a whim. It is sensitive to operating system environments.
| Component | Minimum Requirement | Recommended | | :--- | :--- | :--- | | OS | Windows 7 SP1 | Windows 10 Pro (64-bit) or Windows Server 2016 | | RAM | 2 GB | 8 GB | | CPU | Dual Core 2.0 GHz | Core i5 or higher | | Database | SQL Server 2008 R2 Express (included) | SQL Server 2016 / 2019 Standard | | .NET Framework | Version 3.5 SP1 | Version 4.8 | | Other | USB Port (for license dongle) | Static IP address for the server | BioTime will attempt to verify the database
Warning: BioTime 8.5 has known compatibility issues with Windows 11. If you use Windows 11, run the installer in Windows 7 Compatibility Mode.
Assumption: you have the BioTime 8.5 server installer (e.g., BioTime8.5_Server.exe or similar).
After adding, Download User Data from device to BioTime, then Upload Access Levels / Schedules.