What type of Encryption Algorithm does Microsoft DPM 2022 use for tapes?

Vincent Walker 1

Can you kindly advise what type of Encryption Algorithm Microsoft DPM 2022 uses please for the tape backups.

Yanhong Liu 12,735 Reputation points Microsoft Vendor

2024-09-02T07:43:58.7833333+00:00

Hi,

We haven't heard from you in a few days. If there's anything I can do to help, please let me know.

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Thanks.
Simon Ren-MSFT 35,621 Reputation points Microsoft Vendor

2024-09-11T09:15:40.8866667+00:00

Hi,

Just checking in to see if the below answers helped. If this answers your query, do click "Accept the answer” for the same, which might be beneficial to other community members reading this thread. And, if you have any further query do let us know.

Thanks for your time. Have a nice day!

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Simon

1 answer

Yanhong Liu 12,735 Reputation points Microsoft Vendor

2024-08-15T09:15:50.16+00:00

Hi Vincent Walker,

Thank you for posting in Q&A forum.

Microsoft Data Protection Manager (DPM) 2022 uses the Advanced Encryption Standard (AES) for encrypting data on tapes. Specifically, it employs AES-256 bit encryption to ensure data security. This is a robust encryption standard widely used in the industry for securing sensitive information.

Please refer to the official documentation:

Data Protection Manager: https://learn.microsoft.com/en-us/system-center/dpm/dpm-overview?view=sc-dpm-2022

Encryption in Azure Backup: https://learn.microsoft.com/en-us/azure/backup/backup-encryption

I hope the information above is helpful.

Best Regards,

Yanhong Liu

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Vincent Walker 1 Reputation point

2024-08-15T09:32:48.7766667+00:00

Thanks for that, the documentation doesn't specify mention the tapes use AES 256. I believe it refers to the cloud backup for Azure. Is this something that can be added please.

Yanhong Liu 12,735 Reputation points Microsoft Vendor

2024-08-16T07:22:32.0333333+00:00

Hi，

Thanks for your reply.

The specific encryption algorithm used by Microsoft Data Protection Manager (DPM) 2022 for tape backup is not explicitly mentioned in the general documentation. However, it is generally understood that DPM uses 256-bit AES encryption to protect data. In the meantime, you can refer to the following descriptions of the two documents:

Best Regards,

Yanhong Liu

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Vincent Walker 1 Reputation point

2024-08-16T09:08:01.49+00:00

Hiya, Thanks for the information however DPM is an on-premise application that can be used with cloud. It would be great for the online documentation to state EAS 256 is I use for DPM Tapes. If that if possible.

Yanhong Liu 12,735 Reputation points Microsoft Vendor

2024-08-16T09:57:20.58+00:00

Hi,

Thanks for your response.

I'm sorry, after my detailed search, I didn't find any documentation that clearly states this. However, you can try to send a report of this suggestion through Feedback Hub. You can use this link Feedback Hub to suggest improvements to the product's documentation, especially Data Protection Manager (DPM), to clarify that it uses AES 256 encryption for tapes.

Thank you for your understanding.

Best Regards,

Yanhong Liu

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