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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 Home | No |
| Windows Pro | No |
| Windows Enterprise | Yes |
| Windows Education | Yes |
| Windows IoT Enterprise | Yes |