<div class="content" name="OfflineVolume" uuid="4dc888bc-b566-47a6-aeeb-eb6b5108b5a6"><p>The OfflineVolume method offlines a <a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_9a876829-33a1-4f0b-8b81-8552b7e5561c" data-linktype="relative-path">volume</a>. An <a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_e42c8573-c14f-4a3d-bd1e-549aa1f7ec13" data-linktype="relative-path">offline</a> volume will fail
data IO. The volume can be opened for configuration.</p><dl>
<dd>
<div><pre> HRESULT OfflineVolume(void);
</pre></div>
</dd></dl><p>This method has no parameters.</p><p><b>Return Values: </b>The method MUST return zero or
a non-error <a href="../ms-dtyp/a9046ed2-bfb2-4d56-a719-2824afce59ac" data-linktype="relative-path"><span>HRESULT</span></a> (as specified
in <a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a>)
to indicate success, or return an implementation-specific nonzero error code to
indicate failure. For the <a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_799103ab-b3cb-4eab-8c55-322821b2b235" data-linktype="relative-path">HRESULT</a>
values predefined by the Virtual Disk Service Remote Protocol, see section <a href="5102cc53-3143-4268-ba4c-6ea39e999ab4" data-linktype="relative-path">2.2.3</a>.</p><p>When the server receives this message, it MUST put the
volume into the offline state.</p></div>