: Many users report success using Java 8 Update 251 or earlier.
is notoriously difficult due to strict Java compatibility issues Ubiquiti Community Compatibility Review: The Java Conflict ubnt discovery tool v2.5.1 and java on windows 10
Installing Ubiquiti Discovery Tool on new Windows 10 Pro laptop : Many users report success using Java 8
JRE 8 Update 271 or earlier is often cited as the last version that reliably opens the tool without crashing. Windows 10 Settings: You may need to disable the Windows Firewall Advanced IP Scanner: For maximum stability, many users
A popular third-party alternative that is frequently updated and works natively on Windows 10/11. Advanced IP Scanner:
For maximum stability, many users find that Java 8 (JRE 1.8) is the most compatible version. Specifically, older builds like Update 241 or 251 have been reported to work when newer ones fail.
| Feature | UBNT Tool v2.5.1 | UniFi Discovery Tool (v3.x) | | :--- | :--- | :--- | | Java requirement | Java 8 (32-bit) | Java 11+ (64-bit) | | AirMax M-series support | | None (dropped) | | Legacy AirGrid support | Yes | No | | Windows 10 DPI scaling | Broken (needs fix) | Perfect | | Launch speed | < 2 seconds | 15+ seconds | | Layer2 only mode | Yes | No (requires DHCP) |