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When trying to backup to Azure cloud it fails with the below(drive has 6TB of data) error. OS: Windows 2012 R2 Standard.

  1. I read a few articles about adding a "." with the language section of windows, but this was already present.

Event ID: 12289 Volume Shadow Copy Service error: Unexpected error DeviceIoControl(\?\Volume{a6337fc7-676b-4208-9ff4-6a85aca89ac7} - 00000000000001A4,0x0053c008,0000007E842B30B0,0,0000007E842B40C0,4096,[0]). hr = 0x80070057, The parameter is incorrect. .

Operation: Processing EndPrepareSnapshots

Context: Execution Context: System Provider

Thank you.

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  • Details would be nice. Are you using MABS or MARS?
    – joeqwerty
    May 16 '18 at 19:35
  • Or maybe DPM? Which of the Azure backup variations are you testing? May 17 '18 at 8:44

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