<div class="content"><p> </p><p>The <b>R_DhcpGetMClientInfo</b> method retrieves the
specified MADCAP client lease record information from the MADCAP server. The
caller of this function can free the memory pointed to by <i>ClientInfo</i> by
calling the function <b>midl_user_free</b> (section <span><a href="a7e5f2d1-04b7-4363-bdc0-76a1099664eb" data-linktype="relative-path">3</a></span>).</p><dl>
<dd>
<div><pre> DWORD R_DhcpGetMClientInfo(
   [in, unique, string] DHCP_SRV_HANDLE ServerIpAddress,
   [in, ref] LPDHCP_SEARCH_INFO SearchInfo,
   [out] 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>SearchInfo: </b>This is a pointer of type <span><a href="f8ab6a93-be31-4643-b32c-e0ae6ba95a44" data-linktype="relative-path">DHCP_SEARCH_INFO (section 2.2.1.2.18)</a></span>
that defines the key to be used to search the MADCAP client lease record on the
MADCAP server.</p><p><b>ClientInfo: </b>This is a pointer of type <span><a href="29305f39-f10e-4a80-8d75-b184c6b0898f" data-linktype="relative-path">LPDHCP_MCLIENT_INFO</a></span>
that points to the location in which specific MADCAP client lease record
information is retrieved. The caller can free up this buffer after using this.</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 <span><a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a></span>.
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>
  <p>0x00000000</p>
  <p>ERROR_SUCCESS</p>
  </td>
  <td>
  <p>The call was successful.</p>
  </td>
 </tr><tr>
  <td>
  <p>0x00004E2D</p>
  <p>ERROR_DHCP_JET_ERROR</p>
  </td>
  <td>
  <p>An error occurred while accessing the MADCAP server
  database.</p>
  </td>
 </tr></tbody></table>
</dd></dl><p>The opnum field value for this method is 11.</p><p>When processing this call, the MADCAP server MUST do the
following:</p><ul><li><p><span><span> 
</span></span>Validate if this method is authorized for read access per section
<span><a href="baec2112-1146-4c42-b77e-b706e170a590" data-linktype="relative-path">3.5.4</a></span>.
If not, return the error ERROR_ACCESS_DENIED.</p>
</li><li><p><span><span> 
</span></span>If <b>SearchType</b> contains DhcpClientName, return
ERROR_INVALID_PARAMETER.</p>
</li><li><p><span><span> 
</span></span> Iterate through the <b>DHCPv4MClientsList</b> ADM element of all
the <b>DHCPv4MScope</b> entries in the server ADM element <b>DHCPv4MScopesList</b>
and retrieve the <b>DHCPv4MClient</b> entry corresponding to the <b>ClientIpAddress</b>
or <b>ClientHardwareAddress</b> as specified by the <b>SearchType</b> in the <i>SearchInfo</i>
(section 2.2.1.2.18).</p>
</li><li><p><span><span> 
</span></span>If the <b>DHCPv4MClient</b> entry is not found, return
ERROR_DHCP_JET_ERROR.</p>
</li><li><p><span><span> 
</span></span>Allocate memory for <i>ClientInfo</i> and its members that is
equal to the size of data type DHCP_MCLIENT_INFO, as required by the data
contained in the <b>DHCPv4MClient</b> entry. Copy the information in the <b>DHCPv4MClient</b>
entry to the out parameter <i>ClientInfo</i> (section 2.2.1.2.21).</p>
</li><li><p><span><span> 
</span></span>Return ERROR_SUCCESS.</p>
</li></ul><p><b>Exceptions Thrown:</b> No exceptions SHOULD be thrown
beyond those thrown by the underlying RPC protocol specified in <span><a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a></span>.</p></div>