Windows license appears invalid after restoring AMI
https://aws.amazon.com/premiumsupport/knowledge-center/windows-activation-fails/
PS C:>Import-Module "C:\ProgramData\Amazon\EC2-Windows\Launch\Module\Ec2Launch.psd1"
PS C:>Add-Routes
PS C:>Set-ActivationSettings
PS C:>slmgr /ato
PS C:>Add-Routes
PS C:>Set-ActivationSettings
PS C:>slmgr /ato