Microsoft-Windows-USB-USB4DeviceRouter-EventLogs
2 events across 1 channel
| Event | Title | Channel | Sample |
|---|---|---|---|
| 1 | A monitor attached to your hub or dock was successfully enumerated by the USB4 … | System | N |
| 2 | A monitor attached to your hub or dock could not be enumerated by the USB4 … | System | N |
Event ID 1: A monitor attached to your hub or dock was successfully enumerated by the USB4 Connection Manager.
#Description
A monitor attached to your hub or dock was successfully enumerated by the USB4 Connection Manager.
Message #
Fields #
| Name | Description |
|---|---|
fid_DomainId UInt32 | |
fid_DpOutRouterTopologyId UInt8 | |
fid_DpcdCmId UInt8 | |
fid_DpOutAdapterNumber UInt8 | |
fid_DpInRouterDepth UInt8 | |
fid_DpInAdapterNumber UInt8 | |
fid_IsRebuilding Boolean | |
fid_Attempts UInt32 | |
fid_DpOutLocalCapabilities UInt32 | |
fid_DpInLocalCapabilities UInt32 | |
fid_MaskedRemoteCapabilities UInt32 | |
fid_DpRxPollingDuration UInt64 | |
fid_CommonCapabilities UInt32 | |
fid_BandwidthUsed UInt16 | |
fid_DpBwAllocationModeSupported Boolean | |
fid_DpBwAllocationModeEnabled Boolean | |
fid_ALPMEnabled Boolean | |
fid_LastCL1ExitTime UInt8 |
Event ID 2: A monitor attached to your hub or dock could not be enumerated by the USB4 Connection Manager.
#Description
A monitor attached to your hub or dock could not be enumerated by the USB4 Connection Manager. This may be expected if the dock or system does not have sufficient resources or bandwidth to support the monitor. ReasonCode1:fid_ReasonCode1 ReasonCode2:fid_ReasonCode2 Status:fid_Status
Message #
Fields #
| Name | Description |
|---|---|
fid_DomainId UInt32 | |
fid_DpOutRouterTopologyId UInt8 | |
fid_DpcdCmId UInt8 | |
fid_DPOutAdapterNumber UInt8 | |
fid_DpInRouterDepth UInt8 | |
fid_DPInAdapterNumber UInt8 | |
fid_IsRebuilding Boolean | |
fid_Attempts UInt32 | |
fid_DpOutLocalCapabilities UInt32 | |
fid_DpInLocalCapabilities UInt32 | |
fid_MaskedRemoteCapabilities UInt32 | |
fid_DpRxPollingDuration UInt64 | |
fid_ReasonCode1 UInt64 | |
fid_ReasonCode2 UInt64 | |
fid_Status UInt32 |
Provenance
Where this provider's schema came from, and which Windows build it was observed on. Windows can change a provider's event schema between builds, so use this to judge whether it matches the build you collect from.
ETW provider GUID d07e8c3f-78fb-4c22-b77c-2203d00bfdf3
Defined in Usb4DeviceRouter.sys, the binary that emits these events.
Observed on:
- Win11-26200.6584, schema read from the registered manifest, binary version 10.0.26100.1, captured 2026-06-02