W10X64_20H2_en-GB_19042.572_2020-10-22_1525.wim

DeploymentShare\Scripts\Custom

<#
.DESCRIPTION
    Script to automate the naming of the WIM File Name during MDT OSD
.EXAMPLE
    PowerShell.exe -ExecutionPolicy ByPass -File <ScriptName>.ps1 [-Debug]
.NOTES
    Author(s):  Jonathan Conway
    Modified:   17/11/2021
    Version:    1.5

    Option [-Debug] switch can be run locally to output results to screen to test WIM File Name is correct
#>

Param (
    [Switch]$Debug
)

Begin {

    # Variables: Information from Registry
    $OsRegistryInfo = Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion'
    [string]$DisplayVersion = $OsRegistryInfo.DisplayVersion
    [string]$ReleaseId = $OsRegistryInfo.ReleaseId
    [string]$Ubr = $OsRegistryInfo.UBR
    [string]$EditionId = $OsRegistryInfo.EditionID
    [string]$OsCurrentBuildNumber = $OsRegistryInfo.CurrentBuildNumber

    # Variables: Change 'ReleaseID' to new Windows Release naming format if Windows 10 20H2 or later
    if ($ReleaseId -gt '2004' -and $ReleaseId -lt '2009') {

        if ($ReleaseId -match "^(..)(01|02|03|04|05|06)$") {
            [string]$ReleaseId1stHalf = $ReleaseId.Substring(0, 2)
            [string]$ReleaseId2ndHalf = $ReleaseId.Substring(2, 2)
            [string]$ReleaseId2ndHalfReplaced = $ReleaseId2ndHalf -replace "$ReleaseId2ndHalf", "H1"
            [string]$ReleaseId = "$ReleaseId1stHalf" + "$ReleaseId2ndHalfReplaced"
        }

        if ($ReleaseId -match "^(..)(07|08|09|10|11|12)$") {
            [string]$ReleaseId1stHalf = $ReleaseId.Substring(0, 2)
            [string]$ReleaseId2ndHalf = $ReleaseId.Substring(2, 2)
            [string]$ReleaseId2ndHalfReplaced = $ReleaseId2ndHalf -replace "$ReleaseId2ndHalf", "H2"
            [string]$ReleaseId = "$ReleaseId1stHalf" + "$ReleaseId2ndHalfReplaced"
        }

    }

    elseif ($ReleaseId -ge '2009') {
        $ReleaseId = $DisplayVersion
    }

    # Variables: Information from WMI
    $OsWmiInfo = Get-CimInstance -ClassName 'Win32_OperatingSystem'

    # Variables: OS 'Caption' information
    $Caption = $OsWmiInfo.Caption
    [String]$RegExPattern = '(Microsoft\ (Windows|Hyper-V)\ (10|11|Server\ (2016.*?|2019.*?)))'
    [String]$MachineOS = ($Caption | Select-String -AllMatches -Pattern $RegExPattern | Select-Object -ExpandProperty 'Matches').Value

    # Variables: Media Language
    [string]$OsLanguageNumberCode = $OsWmiInfo.OSLanguage

    if ($OsLanguageNumberCode -eq '2057') {
        $OsLanguage = 'en-GB'
    }
    if ($OsLanguageNumberCode -eq '1033') {
        $OsLanguage = 'en-US'
    }

    # Variables: Date Information
    $BuildDate = Get-Date -Format "yyyy-MM-dd_HHmm"

    # Variables: OS Architecture
    if ($OsWmiInfo.OSArchitecture -eq '64-bit') {
        $Architecture = 'X64'
    }
    if ($OsWmiInfo.OSArchitecture -eq '32-bit') {
        $Architecture = 'X86'
    }

}

Process {

    # Microsoft Hyper-V Server
    if ($MachineOS -like 'Microsoft Hyper-V Server*') {
        # Variables: Set OS Prefix
        $HypervPrefix = 'HVS'

        # Variables: Set Windows Server Version
        $WindowsServerVersion = $MachineOS.TrimStart("Microsoft Hyper-V Server")

        # Hyper-V Server: Create Wim File Name string
        $WimFileName = "$HypervPrefix" + "$WindowsServerVersion" + "$Architecture" + '_' + "$OsLanguage" + '_' + "$OsCurrentBuildNumber" + '.' + "$Ubr" + '_' + "$BuildDate" + '.' + 'wim'
    }

    # Microsoft Windows 10
    if ($MachineOS -like 'Microsoft Windows 10*') {
        # Variables: Set OS Prefix
        $Os = 'W10'

        # Variables: OS Edition
        if ($EditionId -eq 'Enterprise') {
            $Edition = 'ENT'
        }
        if ($EditionId -eq 'IoTEnterprise') {
            $Edition = 'IOT'
            $ReleaseId = $OsRegistryInfo.DisplayVersion
        }
        if ($EditionId -eq 'EnterpriseS') {
            $Edition = 'IOT'
            $Channel = 'LTSC'
        }
        if ($EditionId -eq 'Professional') {
            $Edition = 'PRO'
        }

        if ($EditionId -eq 'EnterpriseS') {
            # Windows 10 IoT LTSC: Create Wim File Name string
            $WimFileName = "$Os" + "$Architecture" + '_' + "$Edition" + '_' + "2019" + '_' + "$Channel" + '_' + "$OsLanguage" + '_' + "$OsCurrentBuildNumber" + '.' + "$Ubr" + '_' + "$BuildDate" + '.' + 'wim'
        }
        else {
            # Windows 10: Create Wim File Name string
            $WimFileName = "$Os" + "$Architecture" + '_' + "$Edition" + '_' + "$ReleaseId" + '_' + "$OsLanguage" + '_' + "$OsCurrentBuildNumber" + '.' + "$Ubr" + '_' + "$BuildDate" + '.' + 'wim'
        }

    }

    # Microsoft Windows 11
    if ($MachineOS -like 'Microsoft Windows 11*') {
        # Variables: Set OS Prefix
        $Os = 'W11'

        # Variables: Set Display Version
        $OsDisplayVersion = $OsRegistryInfo.DisplayVersion

        # Variables: OS Edition
        if ($EditionId -eq 'Enterprise') {
            $Edition = 'ENT'
        }
        if ($EditionId -eq 'IoTEnterprise') {
            $Edition = 'IOT'
        }
        if ($EditionId -eq 'Professional') {
            $Edition = 'PRO'
        }

        # Windows 10: Create Wim File Name string
        $WimFileName = "$Os" + "$Architecture" + '_' + "$Edition" + '_' + "$OsDisplayVersion" + '_' + "$OsLanguage" + '_' + "$OsCurrentBuildNumber" + '.' + "$Ubr" + '_' + "$BuildDate" + '.' + 'wim'
    }

    # Microsoft Windows Server
    if ($MachineOS -like 'Microsoft Windows Server*') {
        # Variables: Set OS Prefix
        $ServerPrefix = 'WS'

        # Variables: Set Windows Server Version
        $WindowsServerVersion = $MachineOS.TrimStart("Microsoft Windows Server")

        # Windows Server: Create Wim File Name string
        $WimFileName = "$ServerPrefix" + "$WindowsServerVersion" + "$Architecture" + '_' + "$OsLanguage" + '_' + "$OsCurrentBuildNumber" + '.' + "$Ubr" + '_' + "$BuildDate" + '.' + 'wim'
    }

}

End {

    # If Debug is true then write WIM file name to host
    if ($Debug) {
        Write-Host "Caption is:         `"$Caption`"" -BackgroundColor 'Green' -ForegroundColor 'Black'
        Write-Host "MachineOS is:       `"$MachineOS`"" -BackgroundColor 'Green' -ForegroundColor 'Black'
        Write-Host "MachineOS is:       `"$EditionId`"" -BackgroundColor 'Green' -ForegroundColor 'Black'
        Write-Host "WIM File Name is:   `"$WimFileName`"" -BackgroundColor 'Green' -ForegroundColor 'Black'
    }

    else {
        # Set MDT Task Sequence Variable to be used to populate 'BackupFile'
        $tsenv:WimFileName = "$WimFileName"
    }

}