Error: App aware snapshots enabled, but failed to create guest snapshot. Aborting backup.


Failed to connect with guest for guest vss operations. There was an error in communication.


This article applies to VMware 6.5.

AppAware backups failed to create a snapshot for VMware 6.5 virtual machine.


Upgrade the Unitrends system to version 9.1 or higher for VMware 6.5 support.



Unitrends system versions 9.0 and prior do not include the VDDK calls required for vSphere 6.5.

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