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DDB verification job failed due impersonate user

  • September 8, 2024
  • 3 replies
  • 120 views
M
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Hello,

we have an issue with DDB verification job it shows the below error

2964  22d0  09/08 11:02:46 676720 Verification failed with error [751][Library [HQ_DB_ExaLibrary], MediaAgent [AUBEGHQBKPEXGM3], Drive Pool [], MountPath[\\ip address\HQ_DB1\3DFVM3_09.04.2024_13.51]: Cannot impersonate user. User credentials provided for disk mount path access may be incorrect. Advice: If the issue persists, please upload log files from CommServe, MediaAgent and Client and contact your vendor's support hotline with the job ID of the failed job.].

the scenario is that we have 3 media agents with shared mount paths between them due exagrid best practices

and im sure the user account is correct

Best answer by Mohamed Nabil

Hi Wasim,

Thanks for sharing your experience with me, i have resolved the issue by granting commvault log file full access by “everyone” as a temp solution.

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Vaulter
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  • WasimVaulter
  • Vaulter
  • 86 replies
  • September 9, 2024

Hi @Mohamed Nabil,

 

-Make sure the Account being leveraged here can access the mount path directory from the Media Agent in the OS. An easy test would be to Map a network drive to the Mount path directory, check the box to Connect using different Credentials and specify the same credentials here as you are using in Commvault,

-If this is successful in the OS, then re-enter the credentials under the Share Mount Path -> Edit dialog or in the Credential Vault if you are using saved credentials- https://documentation.commvault.com/v11/expert/101978_updating_account_information_for_credential_in_credential_vault.html

 

Regards,

Wasim

J
1 person likes this
  • J
    Jacek Piechucki
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  • Mohamed Nabil
  • Author
  • 6 replies
  • Answer
  • September 9, 2024

Hi Wasim,

Thanks for sharing your experience with me, i have resolved the issue by granting commvault log file full access by “everyone” as a temp solution.

S
Byte
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  • SANAdmins
  • Byte
  • 10 replies
  • March 25, 2025
Mohamed Nabil wrote:

Hi Wasim,

Thanks for sharing your experience with me, i have resolved the issue by granting commvault log file full access by “everyone” as a temp solution.

Hey ​@Mohamed Nabil which log file are you talking about?  I am having trouble with DDB verifications as well with ExaGrid.  It makes everything go haywire.  Also, are you limiting the number of readers/streams to each library?  Thanks!

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