<div class="content"><p> </p><p>The <b>FAX_GetRoutingInfo (Opnum 15)</b> method is called by
the client to retrieve information about a specified <span><a href="46aba9c4-ebb1-4b10-86ac-4bb3025657b9#gt_efaa1290-6d4b-4f44-9e84-35a867069d45" data-linktype="relative-path">routing</a></span> method that
is identified by the passed-in <span><a href="46aba9c4-ebb1-4b10-86ac-4bb3025657b9#gt_f49694cc-c350-462d-ab8e-816f0103c6c1" data-linktype="relative-path">GUID</a></span>.</p><p>The server MUST validate that the client&#39;s fax user account
has the access to retrieve information about a routing method. The <i>RoutingGuid</i>
and <i>RoutingInfoBuffer</i> parameters MUST NOT be <b>NULL</b>. The server
MUST validate that the <i>RoutingGuid</i> is for a valid routing method. On
success, the server MUST return the routing information for a <span><a href="46aba9c4-ebb1-4b10-86ac-4bb3025657b9#gt_d98e028a-1e6d-4e09-a915-7e8b90d9f9de" data-linktype="relative-path">fax
routing method</a></span> that is associated with a specific fax device in <i>RoutingInfoBuffer</i>.</p><p>The client SHOULD free the returned buffer.</p><dl>
<dd>
<div><pre> error_status_t FAX_GetRoutingInfo(
   [in] RPC_FAX_PORT_HANDLE FaxPortHandle,
   [in, string, unique] LPCWSTR RoutingGuid,
   [out, size_is(, *RoutingInfoBufferSize)] 
     LPBYTE* RoutingInfoBuffer,
   [out, ref] LPDWORD RoutingInfoBufferSize
 );
</pre></div>
</dd></dl><p><b>FaxPortHandle: </b>An <span><a href="46aba9c4-ebb1-4b10-86ac-4bb3025657b9#gt_8a7f6700-8311-45bc-af10-82e10accd331" data-linktype="relative-path">RPC</a></span> context handle
that references a specified fax port.</p><p><b>RoutingGuid: </b>A curly braced GUID string that
specifies the GUID that uniquely identifies the fax routing method for which to
obtain the routing information. Fax routing methods are defined by a <span><a href="46aba9c4-ebb1-4b10-86ac-4bb3025657b9#gt_170298f8-e4d3-4ece-92a1-2e28c974734f" data-linktype="relative-path">fax
routing extension</a></span> and the method is identified by a GUID. For more
information about routing methods, see <span><a href="https://go.microsoft.com/fwlink/?LinkId=90010" data-linktype="external">[MSDN-FRM]</a></span>. The
routing methods and the associated curly-braced GUID string values that can be
used for this parameter are discoverable by calling <b>FAX_EnumRoutingMethods</b>
(section <span><a href="d9a47f58-bbf8-4a36-be63-d92453c8ec04" data-linktype="relative-path">3.1.4.1.31</a></span>).
Included in this list are the default routing methods described in <b>Default
Routing Methods</b> (section <span><a href="89220226-b68e-4d97-96ef-ce622145ecfa" data-linktype="relative-path">2.2.87</a></span>).</p><p><b>RoutingInfoBuffer: </b>A pointer to the address of
a buffer that receives the fax routing information. The buffer format and
contents depend on the routing method that is identified by the <i>RoutingGuid</i>.</p><p><b>RoutingInfoBufferSize: </b>A pointer to a <b>DWORD</b>
(<span><a href="../ms-dtyp/cca27429-5689-4a16-b2b4-9325d93e4ba2" data-linktype="relative-path">[MS-DTYP]</a></span>
section <span><a href="../ms-dtyp/262627d8-3418-4627-9218-4ffe110850b2" data-linktype="relative-path">2.2.9</a></span>)
variable that receives the size, in bytes, of the <i>RoutingInfoBuffer</i>
buffer.</p><p><b>Return Values: </b>This method MUST return
0x00000000 (ERROR_SUCCESS) for success; otherwise, it MUST return one of the
following error codes, one of the fax-specific errors that are defined in
section <span><a href="cbe6c4fb-4dda-4f6c-9701-0d490ba0d105" data-linktype="relative-path">2.2.52</a></span>, or one of
the other standard errors defined in <span><a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a></span>
section <span><a href="../ms-erref/18d8fbe8-a967-4f1c-ae50-99ca8e491d2d" data-linktype="relative-path">2.2</a></span>.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>ERROR_ACCESS_DENIED</p>
  <p>0x00000005</p>
  </td>
  <td>
  <p>Access is denied. The client&#39;s fax user account does
  not have the FAX_ACCESS_QUERY_CONFIG access rights required for this
  operation.</p>
  </td>
 </tr><tr>
  <td>
  <p>ERROR_NOT_ENOUGH_MEMORY</p>
  <p>0x00000008</p>
  </td>
  <td>
  <p>The server cannot allocate sufficient memory to hold
  the fax routing information data to be returned to the client.</p>
  </td>
 </tr><tr>
  <td>
  <p>ERROR_INVALID_DATA</p>
  <p>0x0000000D</p>
  </td>
  <td>
  <p>This error code is returned if any of the following
  conditions are met:</p>
  <p><span>§<span>  
  </span></span>The port handle specified by the <i>FaxPortHandle</i> parameter
  is not a valid fax port handle obtained with <b>FAX_OpenPort</b> (section <span><a href="aca2b58a-e310-42dc-9903-18c5b6c35797" data-linktype="relative-path">3.1.4.1.65</a></span>).<a id="Appendix_A_Target_131"></a><a aria-label="Product behavior note 131" href="056171e7-80bc-45ff-8107-66ba3abb2023#Appendix_A_131" data-linktype="relative-path">&lt;131&gt;</a></p>
  <p><span>§<span>  
  </span></span>The server cannot find the routing method identified by the
  GUID specified by the <i>RoutingGuid</i> parameter.</p>
  </td>
 </tr><tr>
  <td>
  <p>ERROR_INVALID_PARAMETER</p>
  <p>0x00000057</p>
  </td>
  <td>
  <p>The parameter is incorrect. This error code is
  returned if any of the following conditions are met:</p>
  <p><span>§<span>  
  </span></span>The <i>RoutingGuid</i> parameter is set to a NULL pointer
  value.</p>
  <p><span>§<span>  
  </span></span>The <i>RoutingInfoBuffer</i> parameter is set to a NULL pointer
  value.<a id="Appendix_A_Target_132"></a><a aria-label="Product behavior note 132" href="056171e7-80bc-45ff-8107-66ba3abb2023#Appendix_A_132" data-linktype="relative-path">&lt;132&gt;</a></p>
  <p><span>§<span>  
  </span></span>The <i>FaxPortHandle</i> parameter is set to a NULL value.<a id="Appendix_A_Target_133"></a><a aria-label="Product behavior note 133" href="056171e7-80bc-45ff-8107-66ba3abb2023#Appendix_A_133" data-linktype="relative-path">&lt;133&gt;</a></p>
  </td>
 </tr></tbody></table>
</dd></dl><p><b>Exceptions Thrown:</b> No exceptions are thrown
except those that are thrown by the underlying RPC protocol, <span><a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a></span>.</p></div>