<div class="content"><p>The CancelAddRoutesRequest method<a id="Appendix_A_Target_32"></a><a aria-label="Product behavior note 32" href="6ea29e14-9c33-4927-90a8-258fd1d6d042#Appendix_A_32" data-linktype="relative-path">&lt;32&gt;</a> stops packet loss and status
monitoring for <b>Route</b> elements previously added in a <a href="98146bb7-21f7-4702-a8fd-5b1a2f710477" data-linktype="relative-path">ProcessAddRoutes (section 3.6.4.6)</a>
invocation and removes these routes from <b>Route Collection</b>.</p><dl>
<dd>
<div><pre> HRESULT CancelAddRoutesRequest();
</pre></div>
</dd></dl><p>This method has no parameters.</p><p><b>Return Values: </b>A signed 32-bit value that
indicates return status. If the method returns a negative value, it has failed.
Zero or positive values indicate success, with the lower 16 bits in positive
nonzero values containing warnings or flags defined in the method
implementation. For more information about Win32 error codes and <a href="../ms-dtyp/a9046ed2-bfb2-4d56-a719-2824afce59ac" data-linktype="relative-path">HRESULT</a>
values, see <a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a>
sections <a href="../ms-erref/0642cb2f-2075-4469-918c-4441e69c548a" data-linktype="relative-path">2.1</a>
and <a href="../ms-erref/18d8fbe8-a967-4f1c-ae50-99ca8e491d2d" data-linktype="relative-path">2.2</a>.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>0x00000000</p>
  <p>S_OK</p>
  </td>
  <td>
  <p>The call was successful.</p>
  </td>
 </tr><tr>
  <td>
  <p>0x80004005</p>
  <p>E_FAIL</p>
  </td>
  <td>
  <p><b>Route Monitoring State</b> is FALSE.</p>
  </td>
 </tr></tbody></table>
</dd>
<dd>
<p>For any other condition, this method MUST return a
value that is not one of the values listed in the preceding table. The client
MUST behave in one consistent, identical manner for all values that are not
listed in the preceding table.</p>
</dd></dl><p>Exceptions Thrown: No exceptions are thrown beyond those
thrown by the underlying <a href="b30bcd1c-8ff6-46d2-a27e-61bd85ace9f4#gt_8a7f6700-8311-45bc-af10-82e10accd331" data-linktype="relative-path">RPC</a>
protocol specified in <a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a>.</p><p>The <a href="b30bcd1c-8ff6-46d2-a27e-61bd85ace9f4#gt_e127848e-c66d-427d-b3aa-9f904fa4ada7" data-linktype="relative-path">opnum</a>
field value for this method is 11.</p><p>When processing this call the server MUST do the following:</p><ul><li><p><span><span> 
</span></span>Fail the method with error 0x80004005 (E_FAIL) if <b>Route
Monitoring State</b> is FALSE.</p>
</li><li><p><span><span> 
</span></span>For each Route element in Route Collection, remove the Route from
Route Collection and stop any implementation-specific monitoring of packet loss
and status that was initiated with a previous ProcessAddRoutes method.</p>
</li><li><p><span><span> 
</span></span>Set <b>Route Monitoring State</b> to FALSE.</p>
</li></ul></div>