HRESULT 0x8898009D (MILERR_DXGI_ENUMERATION_OUT_OF

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The display adapter enumeration state is out of sync.

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MILERR_QPC_TIME_WENT_BACKWARD	MILERR_ADAPTER_NOT_FOUND

MILERR_DXGI_ENUMERATION_OUT_OF_SYNC

MILERR_DXGI_ENUMERATION_OUT_OF_SYNC is a Windows Media Integration Layer (MIL) HRESULT. It indicates that MIL received inconsistent information while enumerating the primary display device or its refresh configuration.

What to check for MILERR_DXGI_ENUMERATION_OUT_OF_SYNC

Re-enumerate adapters and outputs after display hot-plug, docking, driver reset, or mode changes.
Check display-driver logs and update the driver if the active adapter reports invalid configuration data.
Recreate cached adapter or output references instead of reusing stale enumeration results.

Microsoft documentation about WPF hardware-accelerated rendering

Diagnostic interpretation of MILERR_DXGI_ENUMERATION_OUT_OF_SYNC

MILERR_DXGI_ENUMERATION_OUT_OF_SYNC has the HRESULT value 0x8898009D. AllStat records the condition as “Primary Display device returned an invalid refresh rate.”. For MILERR_DXGI_ENUMERATION_OUT_OF_SYNC, in practice, interpret that wording at the boundary owned by the Windows component or COM interface that returned the HRESULT, rather than treating the value as a generic Windows message.

Evidence to capture for MILERR_DXGI_ENUMERATION_OUT_OF_SYNC

Record the exact COM method or Windows API, its input object, the calling thread, and the full 0x8898009D value before a wrapper converts it to an exception or Boolean result.
Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions MILERR_DXGI_ENUMERATION_OUT_OF_SYNC or the milerr / dxgi / enumeration / out / of operation.
For MILERR_DXGI_ENUMERATION_OUT_OF_SYNC, check the documented return contract of the specific API because the same HRESULT can require different recovery in different interfaces.

Retry and recovery for MILERR_DXGI_ENUMERATION_OUT_OF_SYNC

Retry MILERR_DXGI_ENUMERATION_OUT_OF_SYNC only when the owning API documents a transient state or after the condition described as “Primary Display device returned an invalid refresh rate.” has changed. For MILERR_DXGI_ENUMERATION_OUT_OF_SYNC, configuration, policy, format, and authorization failures normally require correction first; an immediate loop can hide the original call site and add secondary errors.

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