Dynamics CRM 8.2.9.19 on-Premise SharePoint Integration issue

Trying to integrate sharepoint with Dynamics CRM V8.2.9.19 , followed steps provided in below link , yet receiving following errors .

https://docs.microsoft.com/en-us/previous-versions/dynamicscrm-2016/administering-dynamics-365/mt171421%28v%3dcrm.8%29

<errorlog><sites>
  <site>
    <url>XXXX.sharepoint.com</url>
    <exception>The request was aborted: The request was canceled.Access token could not be obtained from: accounts.accesscontrol.windows.net/.../2 for resource: 00000003-0000-0ff1-ce00-000000000000/XXXXX.sharepoint.com@XXXXXXXX</exception>
    <errorcode>-2147088205</errorcode>
    <correlation>b058079f-60e4-9000-2a8a-d37f7c12058a</correlation>
  </site>
</sites></errorlog>

Is it could be a domain issue as we have CRM setup on XXX.XX and sharepoint tenant is YY.YY ?