A: This is a known bug when detecting cloned or counterfeit UBNT devices. The tool misreads the vendor string. If you see ?? or gibberish, the device may be a fake.
Version 2.3 of the UBNT Discovery Tool is often sought after because it was one of the last standalone Java-based versions before Ubiquiti moved toward integrated discovery features within the UniFi Controller and the UISP (formerly UNMS) platforms.
Unless you have very old hardware (NanoStation M, Rocket M, etc.), try v2.4 first – it's more secure and compatible.
If you are having trouble running the legacy 2.3 software, Ubiquiti provides modern alternatives that are more secure and compatible with Windows 10/11 and macOS:
In the world of networking, Ubiquiti (UBNT) has carved out a legendary status for producing powerful, affordable, and reliable equipment. From the humble LiteBeam to the mighty AirFiber, these devices dominate rooftops and tower sites worldwide. However, there is one persistent headache that every Ubiquiti technician faces:
Do you have VirtualBox, VMware, or a VPN (Cisco AnyConnect) installed? The tool may be listening on the virtual adapter.