<div class="content"><p>The <a href="c9ecc8ee-2046-4ef2-b2ec-329fde7f8b01#gt_b91c1e27-e8e0-499b-8c65-738006af72ee" data-linktype="relative-path">Endpoint</a>
Header is defined as follows:</p><table>
 <tbody><tr>
  <th><p><br/>0</p></th>
  <th><p><br/>1</p></th>
  <th><p><br/>2</p></th>
  <th><p><br/>3</p></th>
  <th><p><br/>4</p></th>
  <th><p><br/>5</p></th>
  <th><p><br/>6</p></th>
  <th><p><br/>7</p></th>
  <th><p><br/>8</p></th>
  <th><p><br/>9</p></th>
  <th><p>1<br/>0</p></th>
  <th><p><br/>1</p></th>
  <th><p><br/>2</p></th>
  <th><p><br/>3</p></th>
  <th><p><br/>4</p></th>
  <th><p><br/>5</p></th>
  <th><p><br/>6</p></th>
  <th><p><br/>7</p></th>
  <th><p><br/>8</p></th>
  <th><p><br/>9</p></th>
  <th><p>2<br/>0</p></th>
  <th><p><br/>1</p></th>
  <th><p><br/>2</p></th>
  <th><p><br/>3</p></th>
  <th><p><br/>4</p></th>
  <th><p><br/>5</p></th>
  <th><p><br/>6</p></th>
  <th><p><br/>7</p></th>
  <th><p><br/>8</p></th>
  <th><p><br/>9</p></th>
  <th><p>3<br/>0</p></th>
  <th><p><br/>1</p></th>
 </tr>
 <tr>
  <td colspan="16">
  <p align="center">Size-Of-Header</p>
  </td>
  <td colspan="16">
  <p align="center">Version</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">Packet-Size</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">Endpoint-GUID
  (16 bytes)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">...</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">...</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">Reserved
  (16 bytes)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">...</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p align="center">...</p>
  </td>
 </tr>
</tbody></table><p><b>Size-Of-Header (2 bytes): </b>MUST be set to the
size of header in bytes, which is 0x0028.</p><p><b>Version (2 bytes):</b> MUST be set to 0x0100.</p><p><b>Packet-Size (4 bytes): </b>MUST be set to the
number of bytes being transmitted for the packet. It MUST be the arithmetic sum
of the sizes in bytes of Endpoint Header, Operation Header, and Variables
Section.</p><p><b>Endpoint-GUID (16 bytes): </b>MUST be set to the <a href="c9ecc8ee-2046-4ef2-b2ec-329fde7f8b01#gt_3996e5d9-beae-47cc-bf9d-dd0c570fbff5" data-linktype="relative-path">Endpoint GUID</a>, as specified
in <a href="../ms-dtyp/cca27429-5689-4a16-b2b4-9325d93e4ba2" data-linktype="relative-path">[MS-DTYP]</a>
section <a href="../ms-dtyp/001eec5a-7f8b-4293-9e21-ca349392db40" data-linktype="relative-path">2.3.4.2</a>,
of the Service Provider, which provides the service to be invoked.</p><p><b>Reserved (16 bytes): </b>MUST be set to zeros.</p></div>