Open Command Prompt as Admin → arp -a → Look for MAC addresses starting with 24:5a:4c (Ubiquiti OUI). Then SSH into that IP.

The tool only works on the local network segment. Ensure your computer is connected directly to the same switch/network as the UBNT devices. Issue 2: "Java Virtual Machine" or "Fatal Exception" Errors

Double‑click the modified batch file. The tool will now run using the isolated Java 8 runtime, while the rest of your system continues to use your updated Java version.

Download a portable version of an older JDK (e.g., JDK 1.7.0 or early Java 8), unzip it to a folder, and create a shortcut to launch the tool directly.

Ubnt Discovery Tool v2.5.1 and Java on Windows 10: Updated Guide