<div class="content"><p> </p><p>The Request2 method requests a <span><a href="719b890d-62e6-4322-b9b1-1f34d11535b4#gt_7a0f4b71-23ba-434f-b781-28053ed64879" data-linktype="relative-path">certificate</a></span> from the
<span><a href="719b890d-62e6-4322-b9b1-1f34d11535b4#gt_c925d5d7-a442-4ba4-9586-5f94ccec847a" data-linktype="relative-path">CA</a></span>.
It is similar to the <span><a href="dbb2e78f-7630-4615-92c4-6734fccfc5a6" data-linktype="relative-path">ICertRequestD::Request</a></span>
method, but it has an additional parameter, <i>pwszSerialNumber</i>, which is
specified as follows.</p><dl>
<dd>
<div><pre> HRESULT Request2(
   [in, string, unique, range(1, 1536)] wchar_t const * pwszAuthority,
   [in] DWORD dwFlags,
   [in, string, unique, range(1, 64)] wchar_t const * pwszSerialNumber,
   [in, out, ref] DWORD* pdwRequestId,
   [out] DWORD* pdwDisposition,
   [in, string, unique, range(1, 1536)] wchar_t const * pwszAttributes,
   [in, ref] CERTTRANSBLOB const * pctbRequest,
   [out, ref] CERTTRANSBLOB* pctbFullResponse,
   [out, ref] CERTTRANSBLOB* pctbEncodedCert,
   [out, ref] CERTTRANSBLOB* pctbDispositionMessage
 );
</pre></div>
</dd></dl><p><b>pwszAuthority: </b>Identical to the <i>pwszAuthority</i>
parameter in the ICertRequestD::Request method.</p><p><b>dwFlags: </b>Identical to the <i>dwFlags</i>
parameter in the ICertRequestD::Request method.</p><p><b>pwszSerialNumber: </b>A null-terminated <span><a href="https://go.microsoft.com/fwlink/?LinkId=90550" data-linktype="external">[UNICODE]</a></span>
string that specifies a serial number that identifies a certificate. The string
MUST specify the serial number as an even number of hexadecimal digits. If
necessary, a zero can be prefixed to the number to produce an even number of
digits. The string MUST NOT contain more than one leading zero. Information on
the serial number is specified in <span><a href="https://go.microsoft.com/fwlink/?LinkId=90414" data-linktype="external">[RFC3280]</a></span>
section 4.1.2.2.</p><p><b>pdwRequestId: </b>Identical to the <i>pdwRequestId</i>
parameter in the ICertRequestD::Request method.</p><p><b>pdwDisposition: </b> Identical to the <i>pdwDisposition</i>
parameter in the ICertRequestD::Request method.</p><p><b>pwszAttributes: </b>Identical to the <i>pwszAttributes</i>
parameter in the ICertRequestD::Request method.</p><p><b>pctbRequest: </b>Identical to the <i>pctbRequest</i>
parameter in the ICertRequestD::Request method.</p><p><b>pctbFullResponse: </b>Identical to the <i>pctbCertChain</i>
parameter in the ICertRequestD::Request method.</p><p><b>pctbEncodedCert: </b>Identical to the <i>pctbEncodedCert</i>
parameter in the ICertRequestD::Request method.</p><p><b>pctbDispositionMessage: </b>Identical to the <i>pctbDispositionMessage</i>
parameter in the ICertRequestD::Request method.</p><p><b>Return Values: </b>Identical to the return value
of the ICertRequestD::Request method.</p><p>The processing rules for this message MUST be the same as
for the information that is specified in 3.2.1.4.2.1.</p></div>