To backup the ProxySG's license key manually:
- Browse to the license key directly: https://<ip.address.of.proxysg>:8082/license_key.txt
- From the browser window, select File > Save As and save the file as "license_key.txt".
To install the license key manually:
- Go to the Management Console > Maintenance tab > Licensing > Install tab
- At the "License Key Manual Installation" section, select "Install License Key from:" from "Local File" and click on the "Install" button.
- Browse to the location where you saved the license_key.txt file. Highlight the license file and confirm the license file installation.