Import-GphGpFromBackup.ps1
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function Import-GphGpFromBackup { <# .SYNOPSIS Import all GPO-Backups into a new domain .DESCRIPTION Import-GphGpFromBackup imports all Backups from a GPO-Folder into a new domain, using the original GPO Names. The Parameter -MigrationTablePath allows to use a Migration-Table for Import. .EXAMPLE Import-GphGpFromBackup -BackupPath c:\gpobackup -Description 'For Demo Purposes' Imports all GPOs from C:\gpoBackup into a new domain. The Backups are only imported, but not linked. All GPOs will inherit the Description "For Demo Purposes". .EXAMPLE Import-GphGpFromBackup -BackupPath c:\gpobackup -MigrationTablePath c:\gpobackup\Netzweise.migtable Imports all GPOs from C:\gpoBackup into a new domain, using the Migration-Table Netzweise.migtable to replace Groups and Path. #> param( # The Path to the Backups. [ValidateScript({ if ( -not ( Test-Path -Path $_ -PathType container )) { Throw 'The Backup-Path is invalid'}; $true })] [Parameter(mandatory=$true)] [string]$BackupPath, # A Description which will be added to every imported Policy [String]$Description, # The Path to the Migration-File [ValidateScript({ if ( -not ( Test-Path -Path $_ -PathType leaf )) { Throw 'The Path to the Migration Table is invalid'}; $true })] [string]$MigrationTablePath ) $BackupFolderList = Get-ChildItem -path $BackupPath | Where-Object { $_.name -Match '{[\dA-F]{8}(?:-[\dA-F]{4}){3}-[\dA-F]{12}}' } Foreach ( $BackupFolder in $BackupFolderList ) { [xml]$BackupData = Get-Content -Path "$($BackupFolder.Fullname)\Backup.xml" $GroupPolicyName = ($BackupData.GroupPolicyBackupScheme.GroupPolicyObject.GroupPolicyCoreSettings.DisplayName)."#cdata-section" $ImportParameter = @{ Path = $BackupPath BackupId = [Guid][string]$BackupFolder TargetName = $GroupPolicyName CreateIfNeeded = $true } If ( $MigrationTablePath) { $ImportParameter["MigrationTable"] = $MigrationTablePath } # $GroupPolicyID = ($BackupData.GroupPolicyBackupScheme.GroupPolicyObject.GroupPolicyCoreSettings.ID)."#cdata-section" Import-GPO @ImportParameter | ForEach-Object -Process { $_.Description = "$Description`n" + $_.Description } } } |