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Restore to EC2 Error: "Failed to validate machine: Cannot find a suitable image for the restored machine."

KB ID: 4503
Product: Veeam Backup & Replication | 11 | 12
Published: 2023-10-18
Last Modified: 2025-06-18
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Issue Resolved in Veeam Backup & Replication 12.1

The issue documented in this article was resolved starting in Veeam Backup & Replication 12.1.

Veeam strongly encourages all customers to update to the latest version.

Challenge

A Restore to Amazon EC2 fails with the error:

Failed to validate machine <name>: Cannot find a suitable image for restored machine.
Error

Cause

The default list of Windows Images that Veeam Backup & Replication attempts to reference contains images that were recently removed from AWS.

Solution

To resolve this issue in Veeam Backup & Replication versions 11/11a/12, create the following registry value on the Veeam Backup Server:

Key Location: HKLM\SOFTWARE\Veeam\Veeam Backup and Replication
Value Name: AmazonDefaultWindowsImage
Value Type: Multi-String Value (REG_MULTI_SZ)
Value Data: <see code block below>

Tip: Hover over the code block and click the copy button in the top-right corner.

Windows_Server-2022-English-Full-Base-2023.08.10
Windows_Server-2022-English-Full-Base*
*Windows_Server-2022-English-Full-Base*
*Windows_Server-2022-English-Core-Base*
*Windows_Server-2019-English-Core-Base*

Note: The values shown will support the restore of all Windows OSes, and there is no need to modify this list to add additional OSes.


PowerShell command to create the registry value:

New-ItemProperty -Path 'HKLM:\SOFTWARE\Veeam\Veeam Backup and Replication' -Name 'AmazonDefaultWindowsImage' -Value "Windows_Server-2022-English-Full-Base-2023.08.10","Windows_Server-2022-English-Full-Base*","*Windows_Server-2022-English-Full-Base*","*Windows_Server-2022-English-Core-Base*","*Windows_Server-2019-English-Core-Base*" -PropertyType MultiString -Force
No Reboot Required
This registry value does not require a reboot and will be effective during the next restore attempt.

More Information

Example of correct registry value configuration:
Example

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