Clarification on server 2012 deduplication support

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The release notes for the latest version of ABR 11.5 state :-

Back up and recover (at a disk level) volumes where the Data Deduplication feature is enabled.

and

In Windows 8/Windows Server 2012: When recovering an entire volume with the enabled Data Deduplication feature from a file backup, not all of its data is actually recovered if the original volume has been formatted before starting the recovery. However, the recovery successfully completes.

Can someone clarify what this means. Does this mean as long as a complete disk is ticked for backup and restored that everything will work correctly, but if a disk contains multiple volumes and a single volume is restored then this will not restore correctly?

lun 15/04/2013 - 15:04
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Hello Graham Turner,

Thank you for posting this question in our forum. I am happy to assist you. 

This part from the user guide may help you:

Data Deduplication
In Windows Server 2012, you can enable the Data Deduplication feature for an NTFS volume. Data Deduplication reduces the used space on the volume by storing duplicate fragments of the volume's files only once.

You can back up and recover a data deduplication–enabled volume at a disk level without limitations. File-level backup and file recovery, including file recovery from a disk backup, are not supported.

The Data Deduplication feature of Windows Server 2012 is unrelated to the Acronis Backup & Recovery 11.5 Deduplication feature.

See Support for Windows 8 and Windows Server 2012.

You will find more detailed information about this Microsoft feature in MS Technet: Data Deduplication Overview

If you need additional assistance, please create a system report of the affected machine and contact support. You will find all available support options in our Customer handbook.

If there is anything else we can do for you, please let me know.

Thank you.

mer 17/04/2013 - 09:58
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