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Active Directroy Backup - repadmin /showbackup timestamp not updated

  • September 15, 2022
  • 5 replies
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We are doing an Active Directory backup on a daily schedule.

Though all objects seem to show up in a restore window with the latest timestamp, the Microsoft tool

>repadmin.exe /showbackup

shows old timestamps, as if there has never ran an AD backup.

Has anyone else encountered this discrepancy? Is this by design or a misconfiguration on our side?

Thanks for any suggestions.

Mark 

Best answer by Mike Struening

Hi @chelydridae , thankjs for the post!

I found a few cases with the exact same question.  Here’s the best written explanation I found:

Informed customer that the Active Directory agent is an object-level backup, which does not backup the AD database itself, so it won't update its backup time.

Only a System State backup will backup the AD database, so the best option is to use the File System agent to backup the domain controller, and not a Virtual Server Agent backup, as this is recommended by Microsoft.

Let me know if that explains everything!

5 replies

Mike Struening
Vaulter
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  • Vaulter
  • Answer
  • September 15, 2022

Hi @chelydridae , thankjs for the post!

I found a few cases with the exact same question.  Here’s the best written explanation I found:

Informed customer that the Active Directory agent is an object-level backup, which does not backup the AD database itself, so it won't update its backup time.

Only a System State backup will backup the AD database, so the best option is to use the File System agent to backup the domain controller, and not a Virtual Server Agent backup, as this is recommended by Microsoft.

Let me know if that explains everything!


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  • Author
  • Novice
  • September 15, 2022

Hi Mike

Indeed we do no File Backup on the Domain Controllers - for there are none … (I thought)

I will give it a try and see what happens.

thx


Mike Struening
Vaulter
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Keep me posted!


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  • Author
  • Novice
  • September 16, 2022

Configured a File Backup including System State - and repadmin shows the actual backup time now.


Mike Struening
Vaulter
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Glad to hear it!