Windows failed to start. Status: 0xc0000225



This article explains the cause and solution when a Windows virtual machine fails to start with the error code: 0xc0000225.


This error code is commonly seen when the host machine has difficulty with the Advanced Configuration and Power Interface (ACPI).

  • The machine is having difficulty with the virtualization storage controller driver.
  • While rare to encounter, it is possible that the Virtual Box setting which enables ACPI was unchecked.


1. Attempt to change the virtualization storage controller from the local Remote Web - Advanced Options.  For more information how to do so, please see the following knowledge base:

2. Connect through VNC into the local Datto device and ensure the setting: Enable IO APIC is selected.

3.  If this error is still persisting, please contact Datto Technical Support for further assistance.

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