The Ubiquiti (UBNT) Device Discovery Tool v2.5.1 is a legacy Java-based utility used to locate airMAX and UniFi devices on a local network. While widely used for years, it has become notoriously difficult to run on updated Windows 10 systems due to its strict dependency on older Java environments and modern security restrictions.

If you’ve ever forgotten the IP address of a NanoStation, Rocket M5, or PowerBeam, you know the frustration. Enter the —a lightweight, Layer 2 utility that finds Ubiquiti devices on your subnet regardless of their IP configuration.

: Some proactive security suites block the execution of older Java apps as a "suspicious" action. Ubiquiti Community Are you trying to find a specific device that isn't showing up with the standard tools? UBNT Discovery Tool V2.5.1 and JAVA on windows 10

java -jar discoverytool.jar