<div class="content" name="ICatalogUtils" uuid="7516a038-08d1-4f20-82ef-578a543e32a7"><p>The ICatalogUtils <a href="3f01a312-3391-4109-a96e-95358babf191#gt_95913fbd-3262-47ae-b5eb-18e6806824b9" data-linktype="relative-path">interface</a> is a
miscellaneous utility interface. This interface inherits from <a href="../ms-dcom/2b4db106-fb79-4a67-b45f-63654f19c54c" data-linktype="relative-path">IUnknown</a>,
as specified in <a href="../ms-dcom/4a893f3d-bd29-48cd-9f43-d9777a4415b0" data-linktype="relative-path">[MS-DCOM]</a>
section 3.1.1.5.8.</p><p>To receive incoming remote calls for this interface, the
server MUST implement a DCOM Object Class with the <a href="3f01a312-3391-4109-a96e-95358babf191#gt_e433c806-6cb6-46a2-bb95-523df8818c99" data-linktype="relative-path">CLSID</a> CLSID_COMAServer, as
specified in section <a href="3afd05f6-01a3-4920-951f-f9c703a3b0f1" data-linktype="relative-path">1.9</a>,
using the <a href="3f01a312-3391-4109-a96e-95358babf191#gt_c4813fc3-b2e5-4aa3-bde7-421d950d68d3" data-linktype="relative-path">UUID</a>
{456129E2-1078-11D2-B0F9-00805FC73204} for this interface.</p><p>This interface includes the following methods beyond those
of IUnknown.</p><p>Methods in RPC Opnum Order</p><table><thead>
  <tr>
   <th>
   <p>Method</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>ValidateUser</td>
  <td>Verifies a user account name and password. Opnum: 3</td>
 </tr><tr>
  <td>WaitForEndWrites</td>
  <td>Waits for writes to the catalog to complete. Opnum: 4</td>
 </tr><tr>
  <td>GetEventClassesForIID</td>
  <td>Returns the event classes associated with an interface identifier (IID). Opnum: 5</td>
 </tr></tbody></table><p>All methods MUST NOT throw exceptions.</p></div>