I should open some of these pages to gather more detailed information. opened pages provide useful details. The GitHub page mentions the original tool hasn't been updated since 2017 and is CPU-heavy. The "Outdated As Hell" page explains why the tool fails on newer Java versions and offers a fix. The changelog for v2.5.1 is also available.

: 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

By following this updated approach, you can still leverage the quick, effective capabilities of the on modern Windows 10 environments.

The Ubiquiti Discovery Tool (often referred to as the UBNT Discovery Tool) is a lightweight, indispensable utility for network administrators working with Ubiquiti EdgeMAX, UniFi, and airMAX devices. While newer, browser-based, or web-app alternatives exist, many professionals prefer the standalone Java-based for its simplicity and direct hardware communication capabilities.

If you manage Ubiquiti networks, you know the struggle. You need the to find devices on a Layer 2 network (especially when they have stale IPs or are outside your subnet).

If the command is not recognized, install the JRE from Oracle. 3. Running the JAR File (Fixing "Open With" Issues)