<div class="content" name="FAX_SetLoggingCategories" uuid="9522b51e-2a27-4d44-993e-89b1ff2f65be"><p>The <b>FAX_SetLoggingCategories (Opnum 22)</b> method is
called by the client. On success, the server MUST modify the current logging
categories for the fax server to which the client has connected. A logging
category determines the errors or other events that the fax server records in
the application event log.</p><dl>
<dd>
<div><pre> error_status_t FAX_SetLoggingCategories(
   [in] handle_t hBinding,
   [in, unique, size_is(BufferSize)] 
     const LPBYTE Buffer,
   [in, range(0,FAX_MAX_RPC_BUFFER)] 
     DWORD BufferSize,
   [in] DWORD NumberCategories
 );
</pre></div>
</dd></dl><p><b>hBinding: </b>The RPC binding handle for this
call. The client SHOULD reuse the RPC binding handle used as an input <i>hBinding</i>
argument for the <b>FAX_ConnectFaxServer</b> (section <a href="5cbfd38d-7a14-4560-ad24-9ed78f19a3bb" data-linktype="relative-path">3.1.4.1.10</a>) or <b>FAX_ConnectionRefCount</b> (section
<a href="a92941ac-bd07-4a71-af85-c2c157c97cf9" data-linktype="relative-path">3.1.4.1.11</a>) method call
used to connect to the fax server.</p><p><b>Buffer: </b>A pointer to an array of the <b>FAX_LOG_CATEGORY</b> (section
<a href="6c692dec-d375-41f6-a6b8-670416245b9f" data-linktype="relative-path">2.2.11</a>) structure. Each
structure contains the data to modify one logging category. The data includes a
friendly name of the logging category, a numeric identifier for the category,
and the current severity-level threshold for the category. For more
information, see <a href="https://go.microsoft.com/fwlink/?LinkId=90011" data-linktype="external">[MSDN-FSCAR]</a>.</p><p><b>BufferSize: </b>A variable to return the size, in
bytes, of the job information buffer. This variable MUST be set to a value
between 1 and 1,048,576. The maximum size is <b>FAX_MAX_RPC_BUFFER</b> (section
<a href="8bb4ba82-db45-44ea-9caa-af64d7448e6d" data-linktype="relative-path">2.2.82</a>).</p><p><b>NumberCategories: </b>A <b>DWORD</b> (<a href="../ms-dtyp/cca27429-5689-4a16-b2b4-9325d93e4ba2" data-linktype="relative-path">[MS-DTYP]</a>
section <a href="../ms-dtyp/262627d8-3418-4627-9218-4ffe110850b2" data-linktype="relative-path">2.2.9</a>)
variable that contains the number of <b>FAX_LOG_CATEGORY</b> items that
the method passes in the <i>Buffer</i> parameter.</p><p><b>Return Values: </b>This method MUST return
0x00000000 (ERROR_SUCCESS) for success; otherwise, it MUST return one of the
following error codes, one of the fax-specific errors that are defined in
section <a href="cbe6c4fb-4dda-4f6c-9701-0d490ba0d105" data-linktype="relative-path">2.2.52</a>, or one
of the other standard errors defined in <a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a>
section <a href="../ms-erref/18d8fbe8-a967-4f1c-ae50-99ca8e491d2d" data-linktype="relative-path">2.2</a>.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>ERROR_ACCESS_DENIED 0x00000005</td>
  <td>Access is denied. The client&#39;s fax user account does not have the FAX_ACCESS_MANAGE_CONFIG access rights required for this call.</td>
 </tr><tr>
  <td>ERROR_INVALID_PARAMETER 0x00000057</td>
  <td>The parameter is incorrect. This error code is returned under any of the following conditions: § The value specified for the Buffer parameter is NULL. § The value specified for the BufferSize parameter is 0. § The fax server cannot parse the FAX_LOG_CATEGORY pointed at by Buffer, possibly because the buffer data is corrupted. § One of the pointer fields of one of the FAX_LOG_CATEGORY pointed at by Buffer point to memory locations outside of the memory block specified by the Buffer and BufferSize parameters.</td>
 </tr><tr>
  <td>ERROR_REGISTRY_CORRUPT 0x000003F7</td>
  <td>The registry is corrupted. The fax server cannot write to register the modified logging categories.</td>
 </tr></tbody></table>
</dd></dl><p><b>Exceptions Thrown:</b> No exceptions are thrown
except those that are thrown by the underlying <a href="46aba9c4-ebb1-4b10-86ac-4bb3025657b9#gt_8a7f6700-8311-45bc-af10-82e10accd331" data-linktype="relative-path">RPC</a> protocol <a href="../ms-rpce/290c38b1-92fe-4229-91e6-4fc376610c15" data-linktype="relative-path">[MS-RPCE]</a>.</p><p>The <b>FAX_LOG_CATEGORY</b> array MUST be serialized. For
more information, see <a href="https://go.microsoft.com/fwlink/?LinkId=90003" data-linktype="external">[MSDN-FAX_LOG_CATEGORY]</a>.
The variable data fields, such as strings, SHOULD be filled with the offset to
the string from the beginning of the buffer and not the actual address.</p></div>