20386: Acronis Backup & Recovery 10 Virtual Edition: Agentless Backup of Fault Tolerant ESX Virtual Machines Is Not Supported

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Agentless backup is not supported for fault-tolerant virtual machines

This article applies to:

  • Acronis Backup & Recovery 10 Advanced Server Virtual Edition


Fault-tolerant VMware ESX virtual machines do not support virtual machine snapshots (see VMware Knowledge Base article 1016619).

Agentless backup of fault-tolerant virtual machines is not supported because Acronis Backup & Recovery 10 Agent for ESX/ESXi (Virtual Appliance) uses virtual machine snapshots to create agentless backup of virtual machines on ESX/ESXi server.

To work around this limitation and still have valid backups of such virtual machine, install Acronis Backup & Recovery 10 Agent for Windows/Linux directly inside of the fault-tolerant virtual machine to perform backups via this agent as if it were a physical machine.

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