If you are upgrading to v6.0 or newer from a version older than v6.0, you must enable the web server, as described in LM-X license server configuration, to access the LM-X License Server UI.
You can access the LM-X License Server UI from any browser with a connection to the license server's network. The URL will be output to the log file during the license server startup. The web server runs on port 6199 by default and is only accessible using HTTPS.
Upon initial access to the UI, the default login credentials are username: admin and password: MyPassword123.
After initially accessing the LM-X License Server UI, you should change the default password. Until you change your password, there will be a message at the top of the page to inform you that your password is insecure. Click the link in the message to open a dialog that lets you reset your password.