Review the Prerequisites

Before you start the backup process, verify that you have completed the following prerequisite tasks:

Select all of the following deduplication data store folders for the backup process:
- Backup Destination
- Deduplication Data Destination
- Deduplication Index Destination
- Deduplication Hash Destination
To ensure data consistency across all four folders, you must select the folder location on the same host.
Make sure that the Arcserve UDP data store source machine supports VSS. To do this, follow these steps:
1. Open the Arcserve Backup Manager.
2. From the Quick Start pane, click Backup and then click Options on the toolbar.
  The Global Options dialog opens.
3. Click the Volume Shadow Copy Service tab.
4. Select the Use VSS option and clear the Revert to traditional backup if VSS fails option.
Make sure that you have a valid Arcserve Backup Open File Agent license.