Hello, everyone!
We can extract the U2000 ESN running the cmd from the machine where U2000 server is installed:
For Windows OS:
run cmd
cd /d
D:\oss\server\platform\bin
esn
For Linux and SolarisOS:
$cd/opt/oss/server/platform/bin/
$./esn
That's all, I hope you like it.
Thank you!

