Create a SharePoint Online App Using the Custom Configuration

Complete the Office 365 guided setup using the custom configuration option.

Verify That Your Environment Meets the Requirements

Verify the following:

• You must have a SharePoint administrator site URL.

Set DisableCustomAppAuthentication to False

• On the tenant, run the following SharePoint Online PowerShell command to set DisableCustomAppAuthentication to false:

  set-spotenant -DisableCustomAppAuthentication $false

Create the SharePoint Online App

1. From the Command Center navigation pane, go to Service Catalog.

2. On the Microsoft 365 tile, click Configure, and then select SharePoint.

3. Start the O365 trial or continue to the configuration tool:

   • If you have never configured an Office 365 app before, the Office 365 configuration tool appears.

     1. Click Start Trial.

        The Configure Office 365 message box appears. You must wait while the Commvault Cloud software activates the Commvault Cloud subscription, creates Office 365 plans, and creates a Server plan for Office 365 backups.

     2. When this process is complete, click Close.

   • If you have configured an Office 365 app before, the Office 365 Trial message appears.The Region based storage for Office 365 data page appears.

4. Click Continue.

   The Create SharePoint Online app page appears.

5. On the Region tab, from the Storage region list, select a region, and then click Next.

   The Application tab appears.

6. In the Name box, enter a name for the app.

7. From the Cloud region list, select the region that hosts SharePoint Online:

   • If SharePoint Online is not hosted in a national cloud, select Default (Global Service).

   • If SharePoint Online is hosted in a national cloud, select the region.

8. For Configuration mode, select Custom configuration (Advanced).

   If you did not manually register the Azure app with Azure AD, you can use the custom configuration toolkit, which automates the registration process.

9. In the Add SharePoint admin site URL box, enter the URL for the tenant admin site.

   For example, enter https://office_365_tenant_prefix-admin.sharepoint.com.

10. In the Application ID box, enter the Azure application ID.

11. In the Application secret box, enter the Azure application secret.

12. In the Azure directory ID box, enter the Azure directory ID.

    For instructions about locating this information, see Create a Microsoft Entra application and service principal that can access resources in the Microsoft documentation.

13. Verify and then select The Azure app is authorized from the Azure portal with all the required permissions.

14. To configure the app principal, click the here link.

    The Create app principal dialog box appears.

    1. In the Create app principal dialog box, for step 1, click the tenant admin URL.

       A Microsoft page appears.

    2. Complete all the steps in the Create app principal dialog box, and then select App principal is configured for the Azure app.

    3. Click Close.

15. On the Application tab, verify that the App principal is configured for the Azure app check box is selected, and then click Create.

    The Summary tab appears.

16. Click Close.