<div class="content" name="RetrieveHostLabel" uuid="5bdd0725-5545-4f5b-a4f6-8b1d1b6f0509"><p>The <b>RetrieveHostLabel</b> method returns the <span><a href="b30bcd1c-8ff6-46d2-a27e-61bd85ace9f4#gt_1769aec9-237e-44ed-9014-1abb3ec6de6e" data-linktype="relative-path">fully
qualified domain name (FQDN)</a></span> of the server.</p><dl>
<dd>
<div><pre> HRESULT RetrieveHostLabel(
   [out] BSTR* HostLabel
 );
</pre></div>
</dd></dl><p><b>HostLabel: </b>The host name of the server. This
is the first part of the FQDN.</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 <span><a href="../ms-dtyp/a9046ed2-bfb2-4d56-a719-2824afce59ac" data-linktype="relative-path">HRESULT</a></span>
values, see <span><a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a></span>
sections <span><a href="../ms-erref/18d8fbe8-a967-4f1c-ae50-99ca8e491d2d" data-linktype="relative-path">2.2</a></span>
and <span><a href="../ms-erref/0642cb2f-2075-4469-918c-4441e69c548a" data-linktype="relative-path">2.1</a></span>.</p><table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>0x00000000 S_OK</td>
  <td>The call was successful.</td>
 </tr></tbody></table><dl>
<dd>
<p><br/>
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 RPC protocol <span><a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a></span>.</p><p>The opnum field value for this method is 5.</p><p>When processing this call, the server MUST do the following:</p><ul><li><p><span><span> 
</span></span>Retrieve the server hostname via an implementation-specific
method.</p>
</li></ul><p>Return the following information to the client:</p><ul><li><p><span><span> 
</span></span>The server hostname</p>
</li></ul></div>