If you are having trouble with scheduled archival, first check the SharePoint Timer Service:
- Verify that the SharePoint Timer Service is running as a user with sufficient rights, such as a SharePoint administrative account. The Local System account lacks sufficient rights to use scheduled archival. The service is administered from the Windows Services console.
- Restart the SharePoint Timer Service. This service must be restarted after a new timer job is created.
Next, check the status of scheduled archive jobs in SharePoint Central Administration: