Add one more JVM flag to your batch script: -XX:+UseParallelGC
Given that v2.5.1 is officially deprecated and no longer receives security or performance updates from Ubiquiti, many professionals have transitioned to newer solutions: ubnt discovery tool v251 and java on windows 10 updated
Sometimes double-clicking the .jar file doesn't work because Windows tries to open it with the wrong handler or security blocks it. Add one more JVM flag to your batch
With the release of and the latest Windows 10 updates, things have changed—for the better and the worse. Here is everything you need to know to get the tool running today . Version 2
Version 2.5.1 is a legacy application written when 32-bit Java was the standard. It relies on the browser-plugin architecture (Java Applets) or specific Java Runtime Environment (JRE) paths that modern operating systems have largely deprecated for security reasons.
Download a portable, older version of Java and modify the ubnt-discovery.bat file to point directly to that specific java.exe instead of the system-wide installed version.
"C:\path\to\old\jre\bin\java.exe" -jar "ubnt-discovery-v2.5.1.jar" Ubiquiti Community Recommended Modern Alternatives