Attached VHD SDDL (Microsoft FSLogix Group Policy)

What it does

SDDL string representing the ACLs to use when attaching the VHD. Registry Entry: HKLM\SOFTWARE\Policies\FSLogix\ODFC\AttachVHDSDDL Type: REG_SZ

What it writes

Hive: HKEY_LOCAL_MACHINE
Registry key: Software\Policies\FSLogix\ODFC

Options

Option	Type	Registry value	Allowed values
Attached VHD SDDLRequired	Text	`AttachVHDSDDL`	Up to 255 characters

Configure and deploy

Choose a state and the option values; the output below is generated from the template for exactly that.

Fix the highlighted options to generate output.

History 1 retained release

26.0827 Aug 2026
- Already present in the first release ChangeIntel keeps.

Template

Internal name: OdfcAttachedVHDSDDL
Namespace: FSLogix.Policies
Template file: fslogix.admx
Release: Microsoft FSLogix 26.08 · file set d042c1d887a47461…

Definition, editor controls and support

Definition

<policy class="Machine" displayName="$(string.OdfcAttachedVHDSDDL_Display)" explainText="$(string.OdfcAttachedVHDSDDL_Explain)" key="Software\Policies\FSLogix\ODFC" name="OdfcAttachedVHDSDDL" presentation="$(presentation.OdfcAttachedVHDSDDL)" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions">
      <parentCategory ref="FSLogix.Policies:ODFC" />
      <supportedOn ref="FSLogix.Policies:v2105" />
      <elements>
        <text id="OdfcAttachedVHDSDDL" key="Software\Policies\FSLogix\ODFC" required="true" valueName="AttachVHDSDDL" />
      </elements>
    </policy>

Editor controls

<presentation id="OdfcAttachedVHDSDDL" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions">
        <textBox refId="OdfcAttachedVHDSDDL">
          <label>Attached VHD SDDL</label>
        </textBox>
      </presentation>

Supported platforms and category

FSLogix.Policies:category:FSLogix
<category displayName="$(string.FSLogix_Category)" name="FSLogix" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions" />
FSLogix.Policies:category:ODFC
<category displayName="$(string.ODFC_Category)" name="ODFC" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions">
      <parentCategory ref="FSLogix.Policies:FSLogix" />
    </category>
FSLogix.Policies:definition:v2105
<definition displayName="$(string.v2105_Definition)" name="v2105" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions" />
FSLogix.Policies:category:FSLogix
<category displayName="$(string.FSLogix_Category)" name="FSLogix" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions" />
<strings><string id="FSLogix.Policies:FSLogix_Category">FSLogix</string></strings>
FSLogix.Policies:category:ODFC
<category displayName="$(string.ODFC_Category)" name="ODFC" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions">
      <parentCategory ref="FSLogix.Policies:FSLogix" />
    </category>
<strings><string id="FSLogix.Policies:ODFC_Category">ODFC Containers</string></strings>
FSLogix.Policies:definition:v2105
<definition displayName="$(string.v2105_Definition)" name="v2105" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions" />
<strings><string id="FSLogix.Policies:v2105_Definition">v2105 or later</string></strings>