<div class="content"><p>The SetCredentials method specifies the user account under
which the <a href="f43f48aa-80a5-4b39-971e-7b3ac0bd9d0d#gt_a6bcff77-b369-406d-9c0c-35a4771c1d0f" data-linktype="relative-path">data collector set</a>
runs. If both parameters are set to NULL, the Performance Logs and Alerts
Protocol MUST clear the existing cached credentials. If no credentials are
cached, the data collector set runs with the credentials for the &#39;LocalSystem&#39;
account. Changing the credentials under which the data collector set runs will
impact future runs of the data collector set, irrespective of whether they are
started locally or remotely. <a id="Appendix_A_Target_16"></a><a aria-label="Product behavior note 16" href="905cad7f-1a12-49b4-a263-461a2977ab71#Appendix_A_16" data-linktype="relative-path">&lt;16&gt;</a></p><dl>
<dd>
<div><pre> HRESULT SetCredentials(
   BSTR user,
   BSTR password
 );
</pre></div>
</dd></dl><p><b>user: </b>Supplies the user account under which
the data collector set runs. The user name can be specified in the following
forms: domain\user or user@domain.</p><p><b>password: </b> Supplies the password of the user
account.</p><p><b>Return Values: </b>This method MUST return an
HRESULT with the severity bit clear on success as specified in <a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a>;
otherwise, it MUST return one of the errors as defined in <a href="590752a5-ddc3-49e4-9914-147a90bd0193" data-linktype="relative-path">2.2.1</a> or one of the errors
as defined in [MS-ERREF] section <a href="../ms-erref/0642cb2f-2075-4469-918c-4441e69c548a" data-linktype="relative-path">2.1</a>.</p></div>