What is required to protect VMware virtual machines?


This article explains requirements and considerations for protecting VMware VMs using Unitrends Free.


Unitrends Free protects VMware virtual machines residing on servers running ESXi 5.0, 5.1, or 5.5. Unitrends leverages VMware's vStorage API for Data Protection (VADP) infrastructure to communicate with ESX hosts directly or through a vCenter server. To protect your virtual machines, you must add ESX hosts or vCenter servers to your appliance. The appliance can then detect all VMs residing on the hosts. After backing up your VMs, you have three options for recovery: recovering individual files, recovering the entire virtual machine, or performing instant recovery.

The following requirements and considerations apply:

  • VMs must reside on servers running ESXi 5.0, 5.1, or 5.5.
  • vCenter servers are required for protecting templates and clustered VMs and performing instant recovery. vCenter versions 5.0, 5.1, and 5.5 are supported. If you add a vCenter server to an appliance, it is recommended that you also add the individual ESX hosts managed by the vCenter server.
  • VMware hardware versions 4, 7, 8, 9, and 10 are supported. See KB 1500 for details on selecting the correct controller when creating new VMs with vSphere version 5.5.
  • VMware tools should be installed on the VMs to ensure file system consistency.
  • VMs in a cluster configuration with a fault-tolerant disk are not supported.
For additional requirements and considerations, see VMware virtual machines in the Unitrends Free Administrator's Guide.
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