Adding Second App Registration

Adding a second Microsoft Entra app registration as a backup application can speed up your SharePoint backups.

To add a second app registration, do the following:

1. On the Microsoft 365 page, click Manage next to the tenant you want to work with.
2. Select Settings.
3. Select the Microsoft 365 tab.
4. In the Add a Second App Registration section, click Authorize.

5. In the Authorize window, copy the generated code to connect to your Microsoft tenancy.

6. Click the https://microsoft.com/devicelogin link, paste the code you copied, and click Next.
7. Select the Microsoft account under which you want to authenticate against Microsoft 365. The account must have the Microsoft 365 Global Admin permissions.
8. Click Continue and close the window.
9. [Optional] If your certificate is about to expire or you want to upload a custom certificate, click Import SSL Certificate and do the following:

1. In the Select Certificate file field, upload the certificate file that is assigned to the application registration in Microsoft Entra ID.
2. In the Password field, only type the password if you have exported the certificate with password protection enabled.

10. In Veeam Data Cloud for Microsoft 365, click Authorize.