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title: About Azure Data Lake Storage Vaulted Backup (preview)
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description: Learn how the Azure Data Lake Storage vaulted backup works
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ms.topic: overview
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ms.date: 04/16/2025
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ms.date: 06/20/2025
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author: jyothisuri
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ms.author: jsuri
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ms.custom: engagement-fy24
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---
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# About Azure Data Lake Storage vaulted backup (preview)
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[Azure Data Lake Storage (ADLS)](/azure/storage/blobs/data-lake-storage-introduction) vaulted backup (preview) is a streamlined, cloud-native solution to back up and restore general-purpose v2 storage accounts with a [hierarchical namespace](/azure/storage/blobs/data-lake-storage-namespace). It allows selective backup and restoration of containers, and store backups in a dedicated vault for granular control.
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[Azure Data Lake Storage](/azure/storage/blobs/data-lake-storage-introduction) vaulted backup (preview) is a streamlined, cloud-native solution to back up and restore general-purpose v2 storage accounts with a [hierarchical namespace](/azure/storage/blobs/data-lake-storage-namespace). It allows selective backup and restoration of containers, and store backups in a dedicated vault for granular control.
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>[!Note]
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>- This feature is currently in limited preview and is available in specific regions only. See the [supported regions](azure-data-lake-storage-backup-support-matrix.md#supported-regions).
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>- To enroll in this preview feature, fill [this form](https://forms.office.com/r/sixidTkYb4) and write to [[email protected]](mailto:[email protected]).
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## Azure Data Lake Storage backup workflow
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## How the backup process for Azure Data Lake Storage works
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Vaulted backup uses platform capabilities such as snapshots and object replication to copy data to the Backup vault. Object replication asynchronously copies block blobs from a source storage account to a destination backup storage account, including the blob's contents, versions, metadata, and properties.
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Learn about the [supported scenarios and limitations for Azure Data Lake Storage backup](azure-data-lake-storage-backup-support-matrix.md).
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## ADLS backup configuration and retention (preview)
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## Azure Data Lake Storage backup configuration and retention (preview)
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The ADLS backup requires a Backup vault that provides a centralized view of configured backups. Vaulted backup is set at the storage account level, with the option to exclude containers.
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The Azure Data Lake Storage backup requires a Backup vault that provides a centralized view of configured backups. Vaulted backup is set at the storage account level, with the option to exclude containers.
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>[!Note]
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>If an account has over 100 containers, reduce the count to **<= 100**. Learn [about the supported container count for backup](azure-data-lake-storage-backup-support-matrix.md#protection-limits).
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### Backup management
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After the ADLS backup configuration is complete, a backup instance is created in the Backup vault. Use it to initiate restores, monitor activity, stop protection, and perform other backup operations.
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After the Azure Data Lake Storage backup configuration is complete, a backup instance is created in the Backup vault. Use it to initiate restores, monitor activity, stop protection, and perform other backup operations.
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The Backup vault's managed identity needs specific permissions on storage accounts for backup and restore operations. These permissions are bundled into the **Storage Account Backup Contributor** role for ease of management.
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## Next steps
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- [Configure vaulted backup for Azure Data Lake Storage using Azure portal (preview)](azure-data-lake-storage-configure-backup.md).
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- [Restore Azure Data Lake Storage using Azure portal (preview)](azure-data-lake-storage-restore.md).
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- [Restore Azure Data Lake Storage using Azure portal (preview)](azure-data-lake-storage-restore.md).
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