Not able to re-establish the salesforce connection from AEM cloud services after upgrading to aem 6.5

Recently we upgraded to aem 6.5 post that AEM & Salesforce connection is not happening using cloud services getting error as "Error in Getting Access Token: invalid_grant".

Followed the steps mentioned in adobe https://experienceleague.adobe.com/docs/experience-manager-65/administering/integration/salesforce.html?lang=en

In 6.4 we are able to re-establish the connection.