3086008 - Error when setting up Interview Scheduling with Outlook Integration using Modern Authentication - Recruiting Management

When trying to set up the credentials for Exchange Online, the below errors are appeared:

The system failed to connect to Exchange Online for one of the reasons below. Please correct the following errors:
1. Invalid Client ID, Client Secret, or Tenant ID.
2. Service Principal Name (SPN)'s Client Secret may be expired.
3. Service Account's email address is invalid or doesn't exist in the system.
4. Try again later.

SAP SuccessFactors Recruiting Management 

1. Log in to BizX

2. Go to Interview Scheduling and Outlook Integration

3. Key in the credentials you have registered from Azure portal.

4. Click Verify Connection to establish the Outlook Integration for Interview Scheduling

5 Error will show:

The system failed to connect to Exchange Online for one of the reasons below. Please correct the following errors:
1. Invalid Client ID, Client Secret, or Tenant ID.
2. Service Principal Name (SPN)'s Client Secret may be expired.
3. Service Account's email address is invalid or doesn't exist in the system.
4. Try again later.

Based on Splunk Logs:

Caused by: com.microsoft.graph.http.GraphServiceException: Error code: NoPermissionsInAccessToken Error message: The token contains no permissions, or permissions can not be understood.

Microsoft Graph API permissions were not granted.

Delegated and Application Permissions on the Microsoft Graph API are needed to be granted. If these permissions were not enabled from the Azure Portal, the integration will not work.

Delegated permissions

Calendars: Calendars.Read.Shared and Calendars.ReadWrite.Shared

Application permissions

Calendars: Calendars.Read and Calendars.ReadWrite

Mail: Mail.Send

Please see Technical Details for Interview Scheduling Outlook Integration Using Modern Authentication for the full information about the needed permissions.

2978862 - Interview Scheduling Outlook Integration Using Modern Authentication - Recruiting Management

Integrating Interview Scheduling with Microsoft Office Outlook Using Modern Authentication

Interview Scheduling Outlook Integration, Verify connection, Modern Authentication , KBA , LOD-SF-RCM-IVW , Interview Central, Interviews, Scheduling etc , Problem