I discovered a pool of servers that seemed to be unused, and used the Azure VM Agent “Run PowerShell Script” to determine the real health.
The output told me: not domain joined, not managed, not being patched, so targets for decommissioning.
$boot = Get-CimInstance -ClassName Win32_OperatingSystem
$hotfix = Get-HotFix | Sort-Object InstalledOn -Descending | Select-Object -First 1
$name = Get-CimInstance -Classname Win32_ComputerSystem
write-host “Server $($name.name) Domain $($name.domain)”
write-host “Last reboot $($boot.LastBootUpTime)”
write-host “Last patch $($hotfix.HotFixID) $($hotfix.InstalledOn)”
Server FOOSERVER Domain WORKGROUP Last reboot 10/12/2022 18:50:02 Last patch KB4495585 05/15/2019 00:00:00