UWF_Overlay.SetCriticalThreshold

Sets the critical threshold for monitoring the size of the Unified Write Filter (UWF) overlay.

Syntax

UInt32 SetCriticalThreshold(
    UInt32 size
);

Parameters

size An integer that represents the size, in megabytes, of the critical threshold level for the overlay. If size is 0 (zero), UWF does not raise critical threshold events.

Return Value

Returns an HRESULT value that indicates WMI status or a WMI error.

Remarks

When the size of the overlay reaches or exceeds the size threshold value, UWF writes the following notification event to the event log.

Message ID Event code Message text

UWF_OVERLAY_REACHED_CRITICAL_LEVEL

0x80010002L

The UWF overlay size has reached CRITICAL level.

The critical threshold must be higher than the warning threshold.

Requirements

Windows Edition Supported
Windows 10 Home No
Windows 10 Pro No
Windows 10 Enterprise Yes
Windows 10 Education Yes

UWF_Overlay

Unified Write Filter