Running the on Windows 10 is a common necessity for network administrators trying to locate legacy airMAX, EdgeRouter, or UniFi devices on a local network. However, because this specific version of the tool is a Java-based application (.jar file) , it often encounters compatibility hurdles with modern Windows environments and updated Java Runtime Environments (JRE). The Java Compatibility Challenge

Running the legacy Ubiquiti (UBNT) Discovery Tool v2.5.1 on Windows 10 is challenging because newer Java versions often cause a "Java Exception has occurred" error

The killer feature of v2.5.1 is the button. When you click this, the tool forces a device to accept a new controller's inform URL, even if the device is in "pending" state. This bypasses the need for DNS or DHCP option 43.

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