OverlayFlags

Article
01/18/2019

OverlayFlags specifies whether to allow writes to unused space on the volume to pass through, and not be redirected to the overlay file. Enabling this setting helps conserve space on the overlay file.

Note

This setting is not intended to be enabled for a systems with a RAM OverlayType.

Values

Value	Description
0	Writes are redirected to the overlay file. This is the default value when the OverlayType is not `Disk overlay`
1	Writes to unused space on the volume are allowed to pass through without being redirected to the overlay file. This is the default when the OverlayType is `Disk overlay`

Parent Hierarchy

Microsoft-Windows-Embedded-UnifiedWriteFilter | OverlayFlags

Valid Configuration Passes

specialize

Applies To

For a list of the Windows editions and architectures that this component supports, see Microsoft-Windows-Embedded-UnifiedWriteFilter.

XML Example

<settings pass="specialize">
   <component name="Microsoft-Windows-Embedded-UnifiedWriteFilter" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="NonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
      <OverlayFlags>1</OverlayFlags>
   </component>
</settings>

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