Ubnt Discovery Tool V2.5.1 And Java On Windows 10 May 2026

Using the legacy UBNT Discovery Tool v2.5.1 on Windows 10 is increasingly difficult because the software is deprecated and highly sensitive to modern Java versions. Compatibility & Requirements

5. Run the Tool

• Launch from Start Menu or shortcut.
• If Windows SmartScreen or Defender blocks it, click More info → Run anyway.
• Select the correct network interface from the dropdown (e.g., Ethernet or Wi-Fi).
• Click Start Discovery — devices on the same broadcast domain should appear.

This is the official successor. It includes a network discovery option and does not require a browser extension or Java. Download from the Ubiquiti Design Center UniFi / UISP Apps: ubnt discovery tool v2.5.1 and java on windows 10

Required Java Version: Many users report success using Java 8 Update 251 or earlier. Using the legacy UBNT Discovery Tool v2

If nothing happens:

If distributed as a .jar:

To run the Ubiquiti (UBNT) Device Discovery Tool v2.5.1 on Windows 10, you must use a legacy version of Java, as modern versions (including later updates of Java 8) often cause a "Java Exception" or fail to open due to code obfuscation issues.  Java Requirements & Setup  Launch from Start Menu or shortcut