A PowerEdge R750 reports “Degraded" status with a question mark next to several components in...

When the iDRAC management dashboard shows a generic "Degraded" health status marked by explicit question icons next to several internal components, while host operating system monitoring agents report completely healthy, functional subsystems, it indicates an internal inventory synchronization or telemetry communication failure. This state occurs when the out-of-band management controller's discovery daemon cannot successfully query or parse the component properties via the internal Intelligent Platform Management Interface (IPMI) or Management Component Transport Protocol (MCTP) buses. The primary troubleshooting target in this scenario is verifying the Lifecycle Controller and iDRAC firmware version. Outdated, misaligned, or corrupted baseboard management firmware blocks proper inventory parsing after a hardware change or host driver update, resulting in placeholder question marks instead of real-time health data. Checking and aligning the Lifecycle Controller firmware baseline resolves software parsing errors within the management plane, restoring proper instrumentation tracking without requiring unnecessary physical component diagnostic sweeps or storage array verification steps.

Study Guide References: Troubleshooting; iDRAC Component Inventory Discovery; Lifecycle Controller Firmware Management.