<div class="content" name="RpcWinStationNameFromLogonId" uuid="d2c62b10-9489-4e2b-9dd0-efd6d7850881"><p>The RpcWinStationNameFromLogonId method retrieves the <span><a href="c41d3367-04c9-4c93-babf-9b5de834eb29#gt_8cc89bb9-be94-4672-8a5d-9947b91bc952" data-linktype="relative-path">Windows
Station (WinStation)</a></span> name for a specific session. The caller MUST
have WINSTATION_QUERY permission. The method checks whether the caller has
WINSTATION_QUERY permission (section <span><a href="4507e852-be3d-45b6-bc47-8ca0b552c94d" data-linktype="relative-path">3.1.1</a></span>) by setting
it as the Access Request mask, and fails if the caller does not have the
permission.<a id="Appendix_A_Target_179"></a><a aria-label="Product behavior note 179" href="7ce7f717-461b-4f18-9829-6690168c7707#Appendix_A_179" data-linktype="relative-path">&lt;179&gt;</a></p><dl>
<dd>
<div><pre> BOOLEAN RpcWinStationNameFromLogonId(
   [in] SERVER_HANDLE hServer,
   [out] DWORD* pResult,
   [in] DWORD LoginId,
   [in, out, size_is(NameSize)] PWCHAR pWinStationName,
   [in, range(0, 256 )] DWORD NameSize
 );
</pre></div>
</dd></dl><p><b>hServer: </b>Handle to the server object. This is
of type <span><a href="49484cdf-2feb-4de9-a588-5d01cf8995dc" data-linktype="relative-path">SERVER_HANDLE</a></span>. The <i>hServer</i>
MUST be obtained from a previous call to <span><a href="fd6f339d-f5dd-452c-a9a9-ec753c22a36a" data-linktype="relative-path">RpcWinStationOpenServer</a></span>.</p><p><b>pResult: </b> Failure error code if the call to RpcWinStationNameFromLogonId
failed. If the call was successful, this parameter MUST be STATUS_SUCCESS
(0x00000000).</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Value</p>
   </th>
   <th>
   <p>Meaning</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>STATUS_SUCCESS 0x00000000</td>
  <td>The call succeeded.</td>
 </tr><tr>
  <td>STATUS_INVALID_PARAMETER 0xC000000D</td>
  <td>NameSize value is less than WINSTATIONNAME_LENGTH + 1.</td>
 </tr><tr>
  <td>0x80071B6E</td>
  <td>The session does not exist or the caller does not have WINSTATION_QUERY permission.</td>
 </tr></tbody></table>
</dd></dl><p><b>LoginId: </b> The ID of the session for which to
retrieve the WinStation name.</p><p><b>pWinStationName: </b> Pointer to a buffer holding
the session name. The length of the buffer MUST be equal to or greater than
(WINSTATIONNAME_LENGTH + 1).</p><p><b>NameSize: </b>The size, in bytes, of the buffer
where the WinStation name will be stored. </p><p><b>Return Values: </b> Returns TRUE if the call
succeeded, or FALSE if the method failed. On failure, <i>pResult</i> indicates
the failure status code.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>0x01 TRUE</td>
  <td>Successful completion.</td>
 </tr><tr>
  <td>0x00 FALSE</td>
  <td>Method call failed.</td>
 </tr></tbody></table>
</dd></dl><p> </p></div>