Registering New Microsoft Entra Application

You can register a new Microsoft Entra application in Microsoft Entra ID. Veeam Backup for Microsoft 365 will use this application for data exchange with your Microsoft 365 organizations during backup and restore sessions.

When registering a new Microsoft Entra application, Veeam Backup for Microsoft 365 automatically grants the required permissions to this application.

To register a new Microsoft Entra application, do the following:

1. In the Name field, enter a name that you want to use to register a new Microsoft Entra application in your Microsoft Entra ID.
2. Click Install to specify a TLS certificate that you want to use for data exchange between Veeam Backup for Microsoft 365 and a Microsoft Entra application.

You can generate a new self-signed certificate or use an existing one. When generating a new self-signed certificate, Veeam Backup for Microsoft 365 will register it in Microsoft Entra ID automatically. Before using an existing certificate, make sure to register this certificate in Microsoft Entra ID. For more information, see this Microsoft article.

3. In the Select Certificate wizard, proceed to any of the following options:

Generate a new self-signed certificate

Import an existing TLS certificate from the certificate store

Import a TLS certificate from a file in the PFX format