Public/Invoke-IntuneRestoreDeviceConfiguration.ps1

function Invoke-IntuneRestoreDeviceConfiguration {
    <#
    .SYNOPSIS
    Restore Intune Device Configurations
     
    .DESCRIPTION
    Restore Intune Device Configurations from JSON files per Device Configuration Policy from the specified Path.
     
    .PARAMETER Path
    Root path where backup files are located, created with the Invoke-IntuneBackupDeviceConfigurations function
     
    .EXAMPLE
    Invoke-IntuneRestoreDeviceConfiguration -Path "C:\temp" -RestoreById $true
    #>

    
    [CmdletBinding()]
    param(
        [Parameter(Mandatory = $true)]
        [string]$Path,

        [Parameter(Mandatory = $false)]
        [ValidateSet("v1.0", "Beta")]
        [string]$ApiVersion = "Beta"
    )

    # Set the Microsoft Graph API endpoint
    if (-not ((Get-MSGraphEnvironment).SchemaVersion -eq $apiVersion)) {
        Update-MSGraphEnvironment -SchemaVersion $apiVersion -Quiet
        Connect-MSGraph -ForceNonInteractive -Quiet
    }

    # Get all device configurations
    $deviceConfigurations = Get-ChildItem -Path "$path\Device Configurations" -File
    
    foreach ($deviceConfiguration in $deviceConfigurations) {
        $deviceConfigurationContent = Get-Content -LiteralPath $deviceConfiguration.FullName -Raw
        $deviceConfigurationDisplayName = ($deviceConfigurationContent | ConvertFrom-Json).displayName

        # Remove properties that are not available for creating a new configuration
        $requestBodyObject = $deviceConfigurationContent | ConvertFrom-Json
        # Set SupportsScopeTags to $false, because $true currently returns an HTTP Status 400 Bad Request error.
        if ($requestBodyObject.supportsScopeTags) {
            $requestBodyObject.supportsScopeTags = $false
        }

        $requestBodyObject.PSObject.Properties | Foreach-Object {
            if ($null -ne $_.Value) {
                if ($_.Value.GetType().Name -eq "DateTime") {
                    $_.Value = (Get-Date -Date $_.Value -Format s) + "Z"
                }
            }
        }

        $requestBody = $requestBodyObject | Select-Object -Property * -ExcludeProperty id, createdDateTime, lastModifiedDateTime, version | ConvertTo-Json -Depth 100

        # Restore the device configuration
        try {
            $null = Invoke-MSGraphRequest -HttpMethod POST -Content $requestBody.toString() -Url "deviceManagement/deviceConfigurations" -ErrorAction Stop
            [PSCustomObject]@{
                "Action" = "Restore"
                "Type"   = "Device Configuration"
                "Name"   = $deviceConfigurationDisplayName
                "Path"   = "Device Configurations\$($deviceConfiguration.Name)"
            }
        }
        catch {
            Write-Verbose "$deviceConfigurationDisplayName - Failed to restore Device Configuration" -Verbose
            Write-Error $_ -ErrorAction Continue
        }
    }
}