<div class="content" name="R_DhcpCreateMClientInfo" uuid="90c8531f-1bf9-40ee-9dec-394a1f79c403"><p>The <b>R_DhcpCreateMClientInfo</b> method creates a
multicast client record on the MADCAP server&#39;s database. This also marks the
specified client IP address as unavailable (or distributed).</p><dl>
<dd>
<div><pre> DWORD R_DhcpCreateMClientInfo(
   [in, unique, string] DHCP_SRV_HANDLE ServerIpAddress,
   [in, ref, string] LPWSTR* MScopeName,
   [in, ref] LPDHCP_MCLIENT_INFO ClientInfo
 );
</pre></div>
</dd></dl><p><b>ServerIpAddress: </b>The IP address/host name of
the MADCAP server. This parameter is unused.</p><p><b>MScopeName: </b>This is a pointer to a Unicode
string that contains the name of the multicast subnet MADCAP client that needs
to be created.</p><p><b>ClientInfo: </b>This is a pointer of type <a href="29305f39-f10e-4a80-8d75-b184c6b0898f" data-linktype="relative-path">LPDHCP_MCLIENT_INFO (section 2.2.1.2.21)</a>,
containing the complete information of the MADCAP client.</p><p><b>Return Values: </b>A 32-bit unsigned integer value
that indicates return status. A return value ERROR_SUCCESS (0x00000000)
indicates that the operation was completed successfully, else it contains a
Win32 error code, as specified in <a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a>.
This error code value can correspond to a DHCP-specific failure, which takes a
value between 20000 and 20099, or any generic failure. </p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>0x00000000 ERROR_SUCCESS</td>
  <td>This call was successful.</td>
 </tr><tr>
  <td>0x00000078 ERROR_CALL_NOT_IMPLEMENTED</td>
  <td>The method is not implemented by this version of the MADCAP server.</td>
 </tr></tbody></table>
</dd></dl><p>The opnum field value for this method is 9.</p><p>When processing this call, the MADCAP server MUST do the
following:</p><ul><li><p><span><span> 
</span></span>Return ERROR_CALL_NOT_IMPLEMENTED.</p>
</li></ul><p><b>Exceptions Thrown:</b> No exceptions SHOULD be thrown
beyond those thrown by the underlying RPC protocol specified in <a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a>.</p></div>