SIRIS, ALTO, and NAS: Resolving a Protect Agent Warning About Hardware Assisted Virtualization



This article provides steps to resolve the error message "Warning: To perform local screenshot verification, you must expose hardware assisted virtualization to this device and then reboot."

This article applies to all virtual Datto SIRIS and Alto devices.


  • Datto SIRIS


A virtual Datto appliance will display this warning if it does not have access to hardware-assisted virtualization on its host hypervisor, because it cannot run nested virtual machines for local screenshot verification.

warning.pngFigure 1: Hardware assisted virtualization warning


You can resolve this error by either:

  • Configuring a hypervisor connection for screenshot purposes
  • Using the hypervisor's administrative interface to expose hardware-assisted virtualization to the virtual backup device.

Figure 1: Enabling hardware assisted virtualization in vSphere

See Expose VMWare Hardware Assisted Virtualization in the vSphere Web Client (external website) for a walkthrough of this process.

The warning banner will persist until the condition is resolved and the Datto appliance attempts the next screenshot.

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