Restore files from Windows 2016 deduplicated volume

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Restore files from Windows 2016 deduplicated volume

Veeam Logoby ama » Fri Apr 07, 2017 10:17 am

Hello,

I have a file server Windows 2016 Standard with deduplication enabled on one volume. Backup is going well but i get an error message when i try to restore files (guest file level restore) :

07-04-17 12:02:42 Error Failed to restore "H:\ap_doc" Error: Failed to read 262144 bytes from the file [\\?\C:\VeeamFLR\FS01_5fe3b846\Volume3\ap_doc\01ain\01OLD\02Logistic\01Availability\GO Contract Functional.docx].
Win32 error:The revision level is unknown.
Code: 1305



If i open folder in explorer (The Veeam option) and try to copy one file i get this error :

error 0x80070519: The revision level is unknown.

My Veeam server 9.5 is Windows 2012 R2 Standard with deduplication role installed and deduplication service running ...

Any advise on how to restore Windows deduplicated files ?

Thank you.
ama
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Re: Restore files from Windows 2016 deduplicated volume

Veeam Logoby foggy » Fri Apr 07, 2017 10:37 am

Just use some Windows 2016 server with Deduplication feature enabled as a mount server for this repository. Windows 2012 R2 doesn't understand the format.
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Re: Restore files from Windows 2016 deduplicated volume

Veeam Logoby ama » Fri Apr 07, 2017 1:09 pm

Thank you foggy, it works.
ama
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Re: Restore files from Windows 2016 deduplicated volume

Veeam Logoby Hoegimator » Wed Apr 12, 2017 8:56 am

Hello Veeam-Friends

I have a quick question. We have also a fileserver Win2016 with deduplication feature enabled, the Veeam B&R v9.5 is installed on a Win2016 with deduplication feature enabled, the backup repository (mount point) is a Win2012r2 with deduplication feature enabled. We can restore deduped files from fileserver Win2012r2, but not from the fileserver Win2016.

I guess the repository (the mount point on the restore process) has to be a Win2016 Server? Is that right?

Thanks a lot
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Re: Restore files from Windows 2016 deduplicated volume

Veeam Logoby Mike Resseler » Wed Apr 12, 2017 9:40 am

Hi Joerg,

The mount server has to be a Win2016 server. By default the backup repository itself is the mount server but you can edit the settings on the repository to change the mount server to another server.

Can you try that and let us know if it works?
Mike Resseler
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Re: Restore files from Windows 2016 deduplicated volume

Veeam Logoby Hoegimator » Wed Apr 12, 2017 11:14 am

Hi Mike

I forgot that you can choose the mounting server on a repository and YES that way the restore worked.

Thanks for pointing that out.
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