Ultimate Guide: Ubnt Discovery Tool v2.5.1 and Java on Windows 10
In Windows 10, open ncpa.cpl → Right-click your NIC → Properties → Configure → Advanced → Disable "Large Send Offload" and "TCP Checksum Offloading." This prevents dropped broadcast packets.
If you try to launch the tool and nothing happens, or you receive a generic error, the issue is almost certainly your Java installation. ubnt discovery tool v2.5.1 and java on windows 10
If you encounter errors like "Java not found" , a flashing command prompt that immediately closes, or a completely blank device list, utilize these fixes: Fix 1: The App Opens but No Devices are Discovered
Download the executable (.exe). Do not download the 64-bit version, as the application wrapper often looks specifically for the 32-bit registry path. Ultimate Guide: Ubnt Discovery Tool v2
@echo off "C:\Program Files\Java\jre1.8.0_xxx\bin\java.exe" -jar "%~dp0Ubiquiti-Discovery-App-v2.5.1.jar" pause Use code with caution.
Under , look for the Path variable, select it, and click Edit . Do not download the 64-bit version, as the
Running version 2.5.1 on Windows 10 is frequently problematic due to its reliance on older Java versions.
Paste the following lines (adjust the paths to match your system):