Ubnt Discovery Tool V2.5.1 And Java On Windows 10 Fixed

Running UBNT Discovery Tool v2.5.1 on Windows 10: A Java Compatibility Guide

Common Windows 10 Issues & Fixes

Once the correct Java version is installed:

UBNT Discovery Tool v2.5.1: Java Requirements & Setup on Windows 10

Discovery tool shows no devices:

• Open Task Manager. If javaw.exe appears for 2 seconds and disappears, your Java version is incompatible.
• Go to Control Panel → Java (32-bit) → Security tab → Set security level to Medium (solves legacy JNLP issues).
• Add the tool's folder to the Exception Site List under the Security tab.

5) Security & housekeeping

• Download Oracle Java 8 JRE (or JDK) from the official Oracle archive or a trusted mirror.
• During installation, ensure the option to add Java to the system PATH is enabled.
• After install, verify in Command Prompt:

  java -version
  

  Expected output: java version "1.8.0_xxx"

Ubiquiti officially stopped supporting this version years ago. The two main culprits on modern Windows 10 are: ubnt discovery tool v2.5.1 and java on windows 10