The HP ProLiant iLO Advanced System Management Controller is a remote management and monitoring solution for HP ProLiant servers. iLO (Integrated Lights-Out) is a feature that provides out-of-band management capabilities for HP servers, allowing administrators to manage and monitor the server remotely, even when the server is powered off or the operating system is unresponsive. iLO Advanced is a more feature-rich version of iLO, offering advanced functionalities such as remote console access, virtual media, power management, and more.