UWF_OverlayConfig.SetMaximumSize

Sets the maximum cache size of the Unified Write Filter (UWF) overlay.

Syntax

UInt32 SetMaximumSize(
    UInt32 size
);

size
An integer that represents the maximum cache size, in megabytes, of the overlay.

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

When the size of the overlay reaches the size value, UWF returns an error for any attempt to write to a protected volume.

If the overlay type is disk-based, your device must meet the following requirements to change the maximum size of the overlay.

UWF must be disabled in the current session.
The size value must be at least 1024.
The system volume on your device must have available free space greater than the new maximum size value.

If the overlay type is RAM-based, your device must meet the following requirement to change the maximum size of the overlay.