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Event ID 827: Query MFND child controller QoS statistics log

Windows Event ID Lookup: What Windows event IDs mean: 4625, 4624, 4740, 6008, 41, 7045, 1102 and 3,000 more, with Windows' own message text, the fields and what to check.

Look up a Windows event ID from Event Viewer, a SIEM alert or a log export: what it means, the fields it records, and what to check. Many IDs are used by more than one source (event 41 is both a Kernel-Power crash and a boot error), so every definition is shown, the one people usually mean first. The message text is Windows' own, read from the event providers of Windows 10.0.26200.0, 2026-10-28; the notes are ours, based on Microsoft's security auditing reference.

Try: 4625, 4624, 4740, 6008, 41, 1074, 7045, 1102, 4104, 1149

Query MFND child controller QoS statistics log.

Event 827
StorPort
System log
Information
Message and fields (as Event Viewer shows them)
Query MFND child controller QoS statistics log.                    
Adapter port number: …                    
Adapter Guid: …                    
Miniport driver name: …                    
Adapter SerialNumber: …                    
MFND interface name: …                    
PCI vendor ID: …                    
PCI subsystem vendor ID: …                    
Product ID: …                    
Firmware revision: …                    
Child controller ID: …                    
Flags: …                    
QoS statistics monitor period: … seconds                    
Swap bucket period: … minutes                    
Log entry format version: …                    
Log sequence number: …                    
Log entry0 timestamp: …                    
Log entries count: …                    
Command status code (SC): …                    
Command status code type (SCT): …                    
NtStatus: …