Private/Invoke-OfflineActivation.ps1
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function Invoke-OfflineActivation { [CmdletBinding()] param ( [Microsoft.Management.Infrastructure.CimSession]$CimSession, [string]$ConfirmationId, [wmi]$Service ) # Check Windows Activation Status $status = (Get-LicenseStatus -CimSession $CimSession).LicenseStatus Write-Verbose "License Status: $($status)" if ($status.Activated) { Write-Warning 'The product is already activated.'; return; } $query = "SELECT Version FROM SoftwareLicensingProduct WHERE PartialProductKey <> null AND Name LIKE 'Win%'" Write-Verbose 'Connecting to computer...' $product = Get-CustomWMIObject -CimSession $CimSession -Query $query $InstallationId = (Get-OfflineInstallationId -CimSession $CimSession).'Offline Installation Id' Write-Verbose 'Submitting activation and confirmation IDs...' Write-Debug 'Offline Installation ID: $InstallationId' Write-Debug 'Confirmation ID: $ConfirmationId' if ([int]$product.DepositOfflineConfirmationId($InstallationId, $ConfirmationId) -ne 0) { throw 'Failed to activate with offline activation. Check the Confirmation ID.' } Write-Verbose 'Updating the license status...' [void]$Service.RefreshLicenseStatus() [void]$product.refresh_ # Not sure if it is an undocumented internal command. I have found this gem in slmgr.vbs } |