The most straightforward method is to buy an iLO 5 Advanced license key directly from HPE or an authorised HPE partner. You will receive a unique 25‑character “5×5” key (xxxxx‑xxxxx‑xxxxx‑xxxxx‑xxxxx) that is tied to your server’s serial number and iLO MAC address.
Is this server for a or a corporate production environment ? Which firmware version is your iLO 5 currently running? ilo 5 license key github