<div class="content" name="EphemeralEntryID" uuid="189d269e-cc2b-41f9-8432-649876acf15d"><p>The EphemeralEntryID is a structure that identifies a
specific object in the address book. Additionally, it encodes the <a href="1b8009c5-72bc-41da-bbab-612b31da4410#gt_e63aea5b-046b-4176-9359-fde82613a406" data-linktype="relative-path">NSPI</a> server that issued the
<a href="1b8009c5-72bc-41da-bbab-612b31da4410#gt_5a44d162-70af-46a6-a40a-b544e6861e21" data-linktype="relative-path">Ephemeral Entry ID</a> and
enough information for a client to make a decision as to how to display the
object to an end user.</p><p>A server MUST NOT change an object&#39;s Ephemeral Entry ID
during the lifetime of an NSPI session. </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="8">ID Type</td>
  <td colspan="8">R1</td>
  <td colspan="8">R2</td>
  <td colspan="8">R3</td>
 </tr>
 <tr>
  <td colspan="32">ProviderUID (16 bytes)</td>
 </tr>
 <tr>
  <td colspan="32">...</td>
 </tr>
 <tr>
  <td colspan="32">...</td>
 </tr>
 <tr>
  <td colspan="32">R4</td>
 </tr>
 <tr>
  <td colspan="32">Display Type</td>
 </tr>
 <tr>
  <td colspan="32">MId</td>
 </tr>
</tbody></table><p><b>ID Type (1 byte): </b>The type of this ID. The
value is the constant 0x87. The server uses the presence of this value to
identify this Entry ID as an Ephemeral Entry ID rather than a <a href="1b8009c5-72bc-41da-bbab-612b31da4410#gt_8cfe7d12-6482-4e5b-8ac2-5d6057eeeb39" data-linktype="relative-path">Permanent Entry ID</a>.</p><p><b>R1 (1 byte): </b>Reserved. All clients and servers
MUST set this value to the constant 0x00.</p><p><b>R2 (1 byte): </b>Reserved. All clients and servers
MUST set this value to the constant 0x00.</p><p><b>R3 (1 byte): </b>Reserved. All clients and servers
MUST set this value to the constant 0x00.</p><p><b>ProviderUID (16 bytes): </b>A <a href="09f5370d-05ee-459e-903a-4e63e1928169" data-linktype="relative-path">FlatUID_r</a> value containing
the <a href="1b8009c5-72bc-41da-bbab-612b31da4410#gt_f49694cc-c350-462d-ab8e-816f0103c6c1" data-linktype="relative-path">GUID</a> of the server
that issued this Ephemeral Entry ID (section <a href="8b01a952-7346-45da-8a37-570f2932bec1" data-linktype="relative-path">3.1.3</a>). A server MUST
treat any value other than its own GUID as an error condition.</p><p><b>R4 (4 bytes): </b>Reserved. All clients and
servers MUST set this value to the constant 0x00000001.</p><p><b>Display Type (4 bytes): </b>The <a href="1b8009c5-72bc-41da-bbab-612b31da4410#gt_09ba95e7-c783-4c4b-880a-eac356f54878" data-linktype="relative-path">display type</a> of the object
specified by this Ephemeral Entry ID. This value is expressed in little-endian
format. Valid values for this field are specified in <a href="950a5af3-af3a-4324-87c8-5ba698bbfa09" data-linktype="relative-path">2.2.3</a>. The display type is
not considered part of the object&#39;s identity; it is set in the EphemeralEntryID
by the NSPI server as a convenience to NSPI clients. The NSPI server MUST set
this field when this data structure is returned in an output parameter. An NSPI
server MUST ignore values of this field on input parameters.</p><p><b>MId (4 bytes): </b>The <a href="1b8009c5-72bc-41da-bbab-612b31da4410#gt_42ecf4ed-a7e5-4044-a1f0-f67ca58fb4b6" data-linktype="relative-path">MId</a> of this object, as
specified in section <a href="11f64fdf-ba65-4518-a920-c65dd051b233" data-linktype="relative-path">2.3.8.1</a>.
This value is expressed in little-endian format.</p></div>