Emails a report of VM's that aren't assigned a backup policy tag in vCenter.

Report-UnprotectedVMs.ps1

Add-PSSnapin VMware.VimAutomation.Core
Set-PowerCliConfiguration -InvalidCertificateAction Ignore -Confirm:$False
Connect-VIServer $vCenterServer

# vCenter hostname
$vCenterServer = ''

$smtpServer = ''

# Email report from address
$reportFrom = ''

# Email report subject
$reportSubject = 'Report: Unprotected VMs'

# Email recipients
$Recipients = @(
    '[email protected]',
  '[email protected]'
)

# VM's to ignore, these are not backed up
$Ignored = @(
    'test',
    'test2'
)

$Unprotected = Get-VM | Where-Object {
    (Get-TagAssignment -Entity $_).Tag.Category.Name -ne 'Backup Policies' -and
    $_.Name -notin $Ignored
}

$Body = "The following VM's are not being backed up by Veeam. If one needs backed up, please add an appropriate tag in vCenter from the Backup Policies category. If one of these is intentionaly not backed up add it to the `$Ignored array in this script to no longer show it in this report.`n`n"
$Unprotected | Sort Name | ForEach-Object { $Body += "$($_.Name) $(if($_.PowerState -eq 'PoweredOff'){"($($_.PowerState))"})`n"}

Send-MailMessage -To $Recipients -From $reportFrom -Subject $reportSubject -SmtpServer $smtpServer -Body $Body

Disconnect-VIServer -Confirm:$False