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“The Unitrends Free™ experience is flawless and easy. You usually don’t come across a free product that is both straightforward and fully functional, not to mention one that features a beautifully designed, intuitive UI.”

Bill Damon
Vice President,
A-1 Limousine Inc

“Unitrends is of the few companies out there who have been listening to the community and have constantly been making their product better over the years and this iteration of the virtual backup is no exception.”

Bilal Hashmi
Chief Blogger,

FREE Backup and Recovery software for the virtualization community.


Unitrends Free™ is free backup software that quickly deploys as a virtual appliance in VMware vSphere and Microsoft Hyper-V environments. Unitrends Free is packed with enterprise features, such as cloud integration and instant VM recovery, and protects up to 1.0 TB of data. As your business and data protection needs grow, scale up seamlessly with an upgrade from Unitrends Free to Unitrends Enterprise Backup.


FREE vSphere and Hyper-V VM Backup

Hypervisor-level protection for vSphere and Hyper-V for up to 1TB of production data.


Automated Daily Scheduling

Set it and forget it scheduling with daily recovery points keeps you protected, even when you’re not around.

Free Protection for Windows Physical

Unitrends Free protects not only your VMs but also your physical Windows servers.


Unlimited VMs and Sockets

No limits on the number of VMs or sockets protected by Unitrends Free.

Protection for free vSphere

Unitrends Free protects virtual machines running on free VMware vSphere (also known as Free ESXi) using agents.


Instant VM Recovery

Quickly run a virtual machine directly from a backup to reduce downtime.

Cloud Backup

Cloud Backup to AWS S3, Google Cloud Storage, or Google Cloud Storage Nearline for offsite disaster recovery.


Unitrends Community Integration

Free forum support from the Unitrends Community.

Designed in response to the virtualization community

Unitrends Free is the first solution built specifically for IT professionals seeking a free product to protect home labs and small environments.


Fast, Incremental Forever Backups

Keep your environment protected EVERY DAY and don't be a storage hog with changed-block tracking.

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System Requirements for installing Unitrends Free


Hypervisor Requirements

Unitrends Free can be deployed on:

  • Free editions of VMware vSphere 5.1, 5.5, or 6.0 (Free ESXI)
  • Paid editions of VMware vSphere 5.1, 5.5, or 6.0
  • Windows Server 2012 or 2012 R2 with Hyper-V role enabled
  • Hyper-V Server 2012 or 2012 R2

Storage Requirements

In addition to the hypervisor requirements, the following resources are required to deploy the Unitrends Free virtual appliance:

  • A minimum of 2 virtual processors (CPUs)
  • A minimum of 4 GB of RAM
  • 90 GB of space for the VM’s initial disk
  • At least 128 GB of attached virtual disk backup storage