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Recipe: Adding Object Storage - AWS S3

Expected deliverables:

A new AWS S3 object storage added to Veeam Backup for Microsoft 365 backup infrastructure.

Time to complete: 5 minutes


  • Access to Veeam Backup for Microsoft 365 GUI using a browser
  • An Amazon S3 object storage
  • An existing proxy server

Before you start: Immutability can only be enabled for backup copies.

Assumptions: You have an existing Veeam Backup for Microsoft 365 installation.


  1. Open the Veeam Backup for Microsoft 365 interface.
  2. Open the “Backup Infrastructure” view.
  3. Right click “Object Storage” in the inventory pane and select “Add object storage”.
  4. Enter a name and optional description for the object storage repository, and click “Next” to proceed.
  5. Select “Amazon S3” as a storage type. Click “Next”.
  6. Choose “Amazon S3” for both backup and backup copy jobs, or “Amazon S3 Glacier” to store backup copies only. Click “Next”.
  7. Click “Add” to provide your access and secret keys to connect to the Amazon S3 storage bucket, or specify the account credentials in the drop-down list. Click “Next”.
  8. Specify the location of the Amazon bucket, then the bucket and folder where you want to keep your data. Click “Next”.
  9. If you selected Amazon S3 Glacier, choose the Storage Class between “Deep Archive”, “Instant Retrieval” and “Flexible Retrieval”. Click “Next”.
  10. Choose whether to enable the Amazon Archiver Appliance, and click “Customize” to specify instance type, VPC, Subnet and Security group.
  11. Click “Finish” to end the object storage configuration.

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