Commvault SQL backup fail with Error Code: [30:329] Failed to impersonate

  • Thanks for posting your issue and hopefully someone will answer soon.

    This is an automated bump to increase visibility of your question.

  • Thank you for the input,

    The option for user account control setting is already set to never notify on my end but still getting the same error.

    I am going to reach out to commvault support hopefully I can get an answer

  • SQL Native backup is much better than Commvault SQL backup in my opinion.

    Rackspace(a hosting company) uses Commvault SQL backup to back up client databases. Occasionally, backup took days and then was stuck. The only way is to restart SQL server. Rackspace failed to resolve this quickly nor notified the clients. Eventually, I just disabled their managed backup and relied on native backup. No issue for years.

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