The following backup repositories can be added to the infrastructure with Veeam Backup for Microsoft 365:

  • Backup proxy server’s local directory.
  • Direct Attached Storage is connected to the backup proxy server.
  • Storage Area Network.
  • Network Attached Storage (SMB shares version 3.0 or later)


Backup repositories with volume deduplication or compression turned on are not supported.

Backup repository storage volumes must be formatted with NTFS or ReFS.

Third-party encryption software should not be used for backups in backup repositories because it can cause unpredictable system behaviour and data loss.

1.Logon to Veeam Backup for Microsoft 365 Manager server.

2.Open Veeam Backup for Microsoft Office 365 console.

3. On the Veeam Backup for Microsoft Office 365 console page, select Backup Infrastructure.

4. On the Backup Infrastructure page, right-click Backup Repositories and select Add backup repository.

5. On the Specify details for backup Repository page, In the Name field, enter a name for the backup repository and click Next.

6. Select a Backup Proxy Server from the drop-down list and click Next.

7. In the Path field, click Browse to select a directory.

8.Select the folder page, select the folder, and click OK.

9. On the Specify details for the backup Repository page, click Get free space to know the available space on the selected backup proxy server.

10.Click Next on the Specify details for backup Repository page.

11.Click Next on the Object storage backup repository page.

12. Choose how long your data should be stored in a backup repository.

13. Select retention type on the Specify retention policy settings page and click Advanced.

14. On the Apply retention policy page, select retention policy and click OK.

15. On the Specify retention policy settings page, click Finish.

16. Verify that the Backup Repository has been added.

I hope you enjoy this post.

Cary Sun

Twitter: @SifuSun

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