To back up Microsoft Teams data, Veeam Backup for Microsoft 365 requires access to the Exchange mailbox of the group associated with a team and to the SharePoint site of this group. Thus, the Veeam Backup account that you use to add an organization using modern authentication with legacy protocols allowed or basic authentication must have permissions required for backup of Exchange Online and SharePoint Online data. For more information, see Microsoft Exchange Organizations and Microsoft SharePoint and OneDrive for Business.
In addition, the Veeam Backup account that you use to add an organization must meet the following requirements:
- The account must have a Microsoft 365 license that permits access to Microsoft Teams API. The minimum sufficient license is Microsoft Teams Exploratory experience.
- The account must have the Team Administrator role assigned.
Consider the following: