If you are troubleshooting v2.5.1 specifically and the .exe fails, try running the .jar file directly via the command line to see the error logs.
you just downloaded rather than using the default system command. 2. Check Your Firewall and Network Profile
ubiquity device discovery tool (java) ((a java exception has occurred)
To run the UBNT Discovery Tool on Windows 10 with Java, follow these steps:
Add the local file execution paths or any local controller IPs if you are accessing it via a local browser wrapper. While v2.5.1 is typically a standalone desktop tool, adding http://127.0.0.1 can occasionally bypass local network blockages. 4. Fix Jar File Association (Optional)
Modern Java versions (Java 11 and newer) removed deployment technologies like Java Web Start. The older v2.5.1 tool relies heavily on legacy Java 8 frameworks.
: While formerly popular, the Chrome-based discovery tool is largely unsupported and often fails to load on modern browsers. Ubiquiti Community : Are you having trouble discovering specific hardware (like an airMAX antenna), or is the tool itself failing to open ubnt discovery doesnt work on win10 | Ubiquiti Community 18 Mar 2021 —
Copy and paste the following commands into the document, adjusting the file path to match your exact 32-bit Java installation folder:
This extension bypasses the need for a standalone JRE by utilizing the Chrome browser's capabilities.
Getting Ubiquiti Discovery Tool v2.5.1 to Work on Windows 10
Name the file run-discovery.bat and save it directly into your extracted UbntDiscovery folder.