<td>1. WADO Root URL is incorrect<br> 2. DICOM Web is not enabled on PACS<br> 3. HTTP Basic Authentication username and password are incorrect or not provided.</td>
<h3id="cant-retrieve-study-list-over-dicomweb"><aname="cant-retrieve-study-list-over-dicomweb"class="plugin-anchor"href="#cant-retrieve-study-list-over-dicomweb"><iclass="fa fa-link"aria-hidden="true"></i></a>Can't retrieve Study List over DICOMWeb</h3>
<ol>
<li>Check that you can query your PACS using an alternative DICOM Web client (e.g. cURL, or a Web Browser). If you cannot, then your PACS is configured incorrectly. Refer to the documentation of the image archive.</li>
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