Symptom
An application-consistent backup fails with the following error message:
Failed to quiesce file system for VM
Cause
This error can occur in any of the following conditions:
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For Windows guest VMs, Nutanix Guest Tools are not installed and configured.
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A Windows guest or a user VM is not a Windows server.
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The VM has Integrated Drive Electronics (IDE) disks.
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For Linux guest VMs, post-freeze and pre-thaw scripts are not present or executed.
Resolution
You might be able to resolve this issue by using one of the following workarounds:
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For Windows guest VMs:
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Install and configure Nutanix Guest Tools.
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Use the VSS administrator list provider to verify that Nutanix VSS providers are listed.
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Verify that user VMs can access Central VPN Management (CVM) port 2074.
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For Linux guest VMs, verify that the scripts are located in the /sbin/pre_freeze and /sbin/post_thaw folders.