<div class="content"><p> </p><p>The <b>DNSSRV_SECONDARY_STATS</b> structure has the DNS
server statistics related to secondary <span><a href="a95b05da-f1fd-4db3-94b4-817fdaa1f642#gt_e6a86700-c17d-4513-8f4f-5aacaff014df" data-linktype="relative-path">zone</a></span> processing.</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="32">
  <p>Header</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>...</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>NotifyReceived</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>NotifyInvalid</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>NotifyPrimary</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>NotifyNonPrimary
  (optional)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>NotifyNoVersion</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>NotifyNewVersion</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>NotifyCurrentVersion</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>NotifyOldVersion</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>NotifyMasterUnknown</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>SoaRequest</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>SoaResponse</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>SoaResponseInvalid</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>SoaResponseNameError</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>AxfrRequest</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>AxfrResponse</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>AxfrSuccess</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>AxfrRefused</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>AxfrInvalid</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>StubAxfrRequest
  (optional)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>StubAxfrResponse
  (optional)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>StubAxfrSuccess
  (optional)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>StubAxfrRefused
  (optional)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>StubAxfrInvalid
  (optional)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrUdpRequest</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrUdpResponse</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrUdpSuccess</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrUdpUseTcp</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrUdpUseAxfr</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrUdpWrongServer</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrUdpNoUpdate</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrUdpNewPrimary</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrUdpFormerr</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrUdpRefused</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrUdpInvalid</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrTcpRequest</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrTcpResponse</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrTcpSuccess</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrTcpAxfr</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrTcpFormerr</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrTcpRefused</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>IxfrTcpInvalid</p>
  </td>
 </tr>
</tbody></table><p><b>Header (8 bytes): </b>A structure of type <b>DNSSRV_STAT_HEADER</b>
(section <span><a href="271b57b1-759c-4c5c-8238-912cd1b3be2a" data-linktype="relative-path">2.2.10.2.1</a></span>).</p><p><b>NotifyReceived (4 bytes): </b>The number of zone
notifications received by the server.</p><p><b>NotifyInvalid (4 bytes): </b>The number of invalid
zone notifications received by the server.</p><p><b>NotifyPrimary (4 bytes): </b>The number of zone
notifications for primary zones received by the server.</p><p><b>NotifyNonPrimary (4 bytes): </b>The number of zone
notifications for nonprimary zones received by the server. This field SHOULD<a id="Appendix_A_Target_74"></a><a aria-label="Product behavior note 74" href="4a9a3ba3-10eb-430e-b157-1fed0aaf85a5#Appendix_A_74" data-linktype="relative-path">&lt;74&gt;</a> be present. A client can tell
whether the field is present based on the size of the buffer holding this
structure.</p><p><b>NotifyNoVersion (4 bytes): </b>The number of zone
notifications received by the server, for which the server has no SOA.</p><p><b>NotifyNewVersion (4 bytes): </b>The number of zone
notifications received by the server, where the received SOA has a newer
version number than that of the SOA already present on the server.</p><p><b>NotifyCurrentVersion (4 bytes): </b>The number of
zone notifications received by the server where the received SOA has same
version number as that of the SOA already present on the server.</p><p><b>NotifyOldVersion (4 bytes): </b>The number of zone
notifications received by the server, where the received SOA has an older
version number than the SOA already present on the server.</p><p><b>NotifyMasterUnknown (4 bytes): </b>The number of
zone notifications received by the server, where notifications are received
from a server that is not present in the list of masters for the zone.</p><p><b>SoaRequest (4 bytes): </b>The number of SOA query
requests sent by the server to zone masters, to initiate <span><a href="a95b05da-f1fd-4db3-94b4-817fdaa1f642#gt_67ea3c5b-6b1e-40a3-ac20-3f7eaf056504" data-linktype="relative-path">zone
transfer</a></span>.</p><p><b>SoaResponse (4 bytes): </b>The number of SOA
responses received by the server from the zone master.</p><p><b>SoaResponseInvalid (4 bytes): </b>The number of
invalid SOA responses received by the server from the zone master.</p><p><b>SoaResponseNameError (4 bytes): </b>Not used, the
receiver MUST ignore this value.</p><p><b>AxfrRequest (4 bytes): </b>The number of <span><a href="a95b05da-f1fd-4db3-94b4-817fdaa1f642#gt_2d944edd-a550-4b8a-98d8-af495aaa2f8f" data-linktype="relative-path">full zone
transfer</a></span> requests sent by the server.</p><p><b>AxfrResponse (4 bytes): </b>The number of full
zone transfer responses received by the server.</p><p><b>AxfrSuccess (4 bytes): </b>The number of full zone
transfer success responses received by the server.</p><p><b>AxfrRefused (4 bytes): </b>The number of full zone
transfer rejection responses received by the server.</p><p><b>AxfrInvalid (4 bytes): </b>The number of full zone
transfer invalid responses received by the server.</p><p><b>StubAxfrRequest (4 bytes): </b>The number of full zone
transfer requests sent by the server for <span><a href="a95b05da-f1fd-4db3-94b4-817fdaa1f642#gt_55a705e5-1ca3-4001-8d6d-c5ae08fdcdeb" data-linktype="relative-path">stub zones</a></span>. This
field MUST be present if and only if NotifyNonPrimary is present. A client can
tell whether the field is present based on the size of the buffer holding this
structure.</p><p><b>StubAxfrResponse (4 bytes): </b>The number of full
zone transfer responses received by the server for stub zones. This field MUST
be present if and only if NotifyNonPrimary is present. A client can tell
whether the field is present based on the size of the buffer holding this
structure.</p><p><b>StubAxfrSuccess (4 bytes): </b>The number of full
zone transfer success responses received by the server for stub zones. This
field MUST be present if and only if NotifyNonPrimary is present. A client can
tell whether the field is present based on the size of the buffer holding this
structure.</p><p><b>StubAxfrRefused (4 bytes): </b>The number of full
zone transfer rejection responses received by the server. This field MUST be
present if and only if NotifyNonPrimary is present. A client can tell whether
the field is present based on the size of the buffer holding this structure.</p><p><b>StubAxfrInvalid (4 bytes): </b>The number of full
zone transfer invalid responses received by the server. This field MUST be present
if and only if NotifyNonPrimary is present. A client can tell whether the field
is present based on the size of the buffer holding this structure.</p><p><b>IxfrUdpRequest (4 bytes): </b>The number of <span><a href="a95b05da-f1fd-4db3-94b4-817fdaa1f642#gt_831053cd-38aa-4fcc-81bf-d0cbb6cb573b" data-linktype="relative-path">incremental
zone transfer</a></span> requests sent by the server over UDP.</p><p><b>IxfrUdpResponse (4 bytes): </b>The number of
incremental zone transfer success responses received by the server over UDP.</p><p><b>IxfrUdpSuccess (4 bytes): </b>The number of
incremental zone transfer success responses received by the server over UDP.</p><p><b>IxfrUdpUseTcp (4 bytes): </b>The number of
incremental zone transfer responses received by the server over UDP, indicating
that TCP is needed.</p><p><b>IxfrUdpUseAxfr (4 bytes): </b>The number of
incremental zone transfer responses received by the server over UDP, indicating
that full zone transfer is needed.</p><p><b>IxfrUdpWrongServer (4 bytes): </b>The number of
incremental zone transfer responses received by the server over UDP, where the
remote sender is not among the masters for this zone.</p><p><b>IxfrUdpNoUpdate (4 bytes): </b>The number of
incremental zone transfer responses received by the server over UDP, where no
updates were found and hence no zone transfer is needed.</p><p><b>IxfrUdpNewPrimary (4 bytes): </b>The number of
incremental zone transfer responses received by the server over UDP, where the
SOA indicates a new primary server name.</p><p><b>IxfrUdpFormerr (4 bytes): </b>The number of
incremental zone transfer responses received by the server over UDP, where
either the master does not support incremental zone transfer or the master
indicated that the zone transfer request was malformed.</p><p><b>IxfrUdpRefused (4 bytes): </b>The number of
incremental zone transfer rejection responses received by the server over UDP.</p><p><b>IxfrUdpInvalid (4 bytes): </b>The number of
incremental zone transfer invalid responses received by the server over UDP.</p><p><b>IxfrTcpRequest (4 bytes): </b>The number of
incremental zone transfer requests sent by the server over TCP.</p><p><b>IxfrTcpResponse (4 bytes): </b>The number of
incremental zone transfer success responses received by the server over TCP.</p><p><b>IxfrTcpSuccess (4 bytes): </b>The number of
incremental zone transfer success responses received by the server over TCP.</p><p><b>IxfrTcpAxfr (4 bytes): </b>The number of
incremental zone transfer responses received by the server over TCP, indicating
that full zone transfer is needed.</p><p><b>IxfrTcpFormerr (4 bytes): </b>The number of
incremental zone transfer responses received by the server over TCP, where
either the <span><a href="a95b05da-f1fd-4db3-94b4-817fdaa1f642#gt_c5f78ae9-df7c-47ee-92f5-5e4f92198cd0" data-linktype="relative-path">primary DNS server</a></span>
does not support incremental zone transfer or the primary DNS server indicated
that the zone transfer request was malformed.</p><p><b>IxfrTcpRefused (4 bytes): </b>The number of
incremental zone transfer rejection responses received by the server over TCP.</p><p><b>IxfrTcpInvalid (4 bytes): </b>The number of
incremental zone transfer invalid responses received by the server over TCP.</p></div>