LicenseServerSource lss = new LicenseServerSource();
// please change it to a license server you can access
lss.setLicenseServer("27000@lic-serv.acme.com");
lm.configureLicenseSource(null, lss);
lm.setLicenseEdition(null, "esxFull");
boolean enabled = lm.checkLicenseFeature(null, "iscsi");
System.out.println("ISCSI enabled:" + enabled);