Page tree
Skip to end of metadata
Go to start of metadata

You are viewing an old version of this page. View the current version.

Compare with Current View Page History

« Previous Version 8 Next »

Product Version: 7.0
Last Modified: 02 Feb 2017

Problem

The following error message appears:

Quiesced (application-aware) checkpoint of this VM cannot be created.

 

Background

The application-aware mode for Hyper-V uses the Volume Shadow Copy Service (VSS).

Hyper-V 2012

Hyper-V 2012 doesn't have an implementation of VSS, so when the Application-aware mode is enabled, the checkpoint works as follows:
  • NAKIVO Backup & Replication injects a runtime VSS Driver into the VM.
  • NAKIVO Backup & Replication requests the VSS Driver to create a quiesced checkpoint.
  • VSS Driver uses VSS inside a Windows VM to freeze I/O requests of applications inside the OS.
  • If OS quiescing fails to create an application-consistent checkpoint, NAKIVO Backup & Replication displays this error.

Hyper-V 2016

Hyper-V 2016 has an implementation of VSS, so it is used for the Application-aware mode.

Possible Cause

The error may be caused by:

Hyper-V 2012

  • Credentials
    • Incorrect credentials to the VM
    • Insufficient level of permissions
  • VM access:
    • Incorrect Windows firewall configuration inside the VM
  • Integration services:
    • Integration services are not configured properly.

Hyper-V 2016

  • Incorrect configuration of the VM OS

Solution

Hyper-V 2012

  1. Credentials. Make sure that:
    • You are using the right credentials for the VM.
    • Credentials you are using have administrative permissions.
  2. VM access. Make sure that:
    • Windows firewall allows access to TCP port 9446 from the Director.
  3. Integration services. Check if they are up and running.

Hyper-V 2016

Make sure that the requirements for the Application-aware mode are met.

  • No labels