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Sluggish response on Hyper-V VMs, logging Event ID 129

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ontap-9
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virt
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Applies to

  • ONTAP 9
  • Clustered Data ONTAP 8.3 and later
  • Microsoft Hyper-V

Issue

  • After upgrade to clustered Data ONTAP 8.3 or later, Hyper-V VMs respond sluggishly and Event ID 129 is being logged inside the VM's Windows event log.
  • The Windows event logs of the Hyper-V host are clean.

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