Configuring Microsoft Entra Application Settings

For data restore using Microsoft Entra application, do the following to configure the application settings:

1. Sign in to the Microsoft Entra admin center.
2. Go to Entra ID > App registrations, and select an application.
3. In the Manage section, select Authentication.
4. On the Settings tab, enable the Allow public client flows option. For more information on application settings, see this Microsoft article.

Keep in mind that this option is unavailable for legacy Microsoft Entra Germany region. In this region, you must register Microsoft Entra applications used for backup and restore as applications of the Public client/Native type.

5. On the Redirect URI configuration tab, click Add Redirect URI.
6. In the Select a platform to add redirect URI pane, select Mobile and desktop applications, specify a redirect URI for the application, and then click Configure. For more information, see this Microsoft article.

When creating a new Microsoft Entra application automatically, Veeam Backup for Microsoft 365 specifies http://localhost as a redirect URI.