Error: "datto.http.office365.sharepoint.ApiErrors$ForbiddenError: 403 FORBIDDEN"

Backups for Microsoft SharePoint or Microsoft Teams fail. The error message, "datto.http.office365.sharepoint.ApiErrors$ForbiddenError: 403 FORBIDDEN," appears in the Failure Reason column of the SaaS Status page.

Environment

• Datto SaaS Protection 2.0 for Microsoft 365

Cause

This error can occur following the rename of a SharePoint site. When you do so, SaaS Protection begins a new dataset for the site. Microsoft sets the old dataset to a read-only status. The error happens if SaaS Protection is continuing to attempt backups for the old dataset.

Resolution

To resolve the conflict, pause backups for the old dataset.