Release Notes for Recovery Series, Recovery Max, ION/ION+, and Unitrends Backup 10.7.3

This document describes new features and fixes introduced in the 10.7.3 release. For upgrade instructions and considerations, reference the Upgrade Guide for Recovery Series, Recovery MAX, ION/ION+, and Unitrends Backup.


Rebooting the Unitrends appliance is recommended upon upgrading to this release.

Dashboard – Updated tiles and icons to ensure a common look & feel across Unitrends products.

Security updates – Applied appliance security updates.


Windows agent

This release includes updated Windows core and bare metal agents. The 10.7.3 core agent is recommended for most 64-bit Windows assets is required for Windows fixes in this release.

Consider the following before upgrading the Windows agent:


For additional agent requirements, see Installing or upgrading the Windows agent in the Upgrade Guide for Recovery Series, Recovery MAX, ION/ION+, and Unitrends Backup.

Beginning in Windows agent release 10.6.6, a secure pairing is automatically established between the appliance and the Windows agent on each of its protected assets. This pairing enables Transport Layer Security (TLS) to encrypt data and authenticate connections between appliances and agents. Communication between appliances and agents is only allowed if there is a matching (paired) certificate.

    • If upgrading from a pre-10.6.9 agent release, backups may fail until the pairing completes successfully (this can take up to two hours).
    • To protect Hyper-V clusters, SQL clusters, or file server clusters with the secure agent pairing feature:
      • The cluster must be running agent version 10.6.9 or higher.
      • The Unitrends appliance and cluster must be running in the same time zone.



The table below lists fixes included in this release. Unless stated otherwise, you can apply each fix by simply upgrading your appliance.

Component   Fix
Appliance disaster recovery
  • Fixed a Failed to reset host information error.
  • Fixed an issue that resulted in excessive disk space utilization.
  • Fixed an issue that resulted in excessive CPU utilization.
Appliance updates
  • Fixed an issue where the appliance license could become invalid upon upgrading.
  • Resolved an issue where certain logs were not being rotated as expected.
Storage reporting
  • Data Reduction report – Image-level backups are now included in deduplication reports.
Windows image-level
  • Fixed an issue that could cause replica restore jobs to fail on Windows UEFI assets. This fix requires the 10.7.3 Windows agent.



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