<div class="content" name="VIRTUAL_STORAGE_TYPE" uuid="83aab33f-b675-4b22-8c5f-fd6c3ed27df2"><p>The VIRTUAL_STORAGE_TYPE structure specifies the device and
vendor of the <a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_1fbc35d5-bcf5-4ce7-9449-4197a1671440" data-linktype="relative-path">virtual disk</a>.<a id="Appendix_A_Target_26"></a><a aria-label="Product behavior note 26" href="6b2552ee-ba27-409f-99a8-18841573327a#Appendix_A_26" data-linktype="relative-path">&lt;26&gt;</a></p><dl>
<dd>
<div><pre> typedef struct _VIRTUAL_STORAGE_TYPE {
   ULONG DeviceId;
   GUID VendorId;
 } VIRTUAL_STORAGE_TYPE;
</pre></div>
</dd></dl><p><b>DeviceId:</b>  The virtual disk type. It
can have one of the following values.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Value</p>
   </th>
   <th>
   <p>Meaning</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>VIRTUAL_STORAGE_TYPE_DEVICE_UNKNOWN 0</td>
  <td>The virtual disk type is unknown.</td>
 </tr><tr>
  <td>VIRTUAL_STORAGE_TYPE_DEVICE_ISO 1</td>
  <td>The virtual disk is an ISO image (.iso) file. For more information, see [ECMA-119] and [OSTA-UDFS].</td>
 </tr><tr>
  <td>VIRTUAL_STORAGE_TYPE_DEVICE_VHD 2</td>
  <td>The virtual disk is a virtual hard disk (.vhd) file.</td>
 </tr></tbody></table>
</dd></dl><p><b>VendorId:</b>  A <a href="../ms-dtyp/4926e530-816e-41c2-b251-ec5c7aca018a" data-linktype="relative-path"><span>GUID</span></a> that uniquely
identifies the virtual disk vendor.</p></div>