For users already managing Ubiquiti infrastructure, the (formerly UniFi Controller) and UISP (for airMAX/EdgeMAX devices) both include built-in device discovery and adoption features. While these are more complex server applications intended for full network management, they provide the most robust and feature-rich experience for ongoing device administration.
Running this older Java applet on Windows 10 frequently causes errors. Windows updates and modern Java Runtime Environments (JRE) often break compatibility with legacy software. ubnt discovery tool v251 and java on windows 10 updated
: This is the current official recommendation for device discovery on Windows. It provides similar network scanning features without the Java headache. UniFi Network Server Windows updates and modern Java Runtime Environments (JRE)
: Windows Defender Firewall often blocks the discovery broadcast frames. You may need to temporarily disable it or create an explicit inbound/outbound rule for the Java executable. Installation and Setup Guide UniFi Network Server : Windows Defender Firewall often