PowerShell code for installing AD and running DC Promo via an Answer file for Win2K8R2 (for ASE and AD blog post)

Windows-Server2008R2-AD-Install.ps1

$AccountName = 'my-admin'
$vmpwd = 'ReplaceWithAStrongPassword'

$SecurePassword = ConvertTo-SecureString $vmpwd -AsPlainText -Force
$Credential = New-Object System.Management.Automation.PSCredential ($AccountName, $SecurePassword); 

Import-Module ServerManager
Add-WindowsFeature GPMC, Backup-Features, Backup, Backup-Tools,DNS,WINS-Server -Verbose
Add-WindowsFeature AS-NET-Framework -Verbose
Add-WindowsFeature AD-Domain-Services, ADDS-Domain-Controller -Verbose
$Domain = 'acme.local'
$NetBiosDomainName = 'acme'
$ADSite = 'acme-site1'
<#
This entry specifies the forest functional level when a new domain is created in a new forest as follows:

0 = Windows 2000 Server
2 = Windows Server 2003
3 = Windows Server 2008
#>
$ForestLevel = 2
<#
This entry specifies the domain functional level. This entry is based on the levels that exist in the forest when a new domain is created in an existing forest. Value descriptions are as follows:
0 = Windows 2000 Server native mode
2 = Windows Server 2003
3 = Windows Server 2008 
#>
$Domainlevel = 2
$DSSafeModePassword = $vmpwd
$DCPromoFile = @"
[DCINSTALL]
InstallDNS=yes
NewDomain=forest
NewDomainDNSName=$Domain
DomainNetBiosName=$NetBiosDomainName
SiteName=$ADSite
ReplicaorNewDomain=domain
ForestLevel=$ForestLevel
DomainLevel=$Domainlevel
ConfirmGC=Yes
SafeModeAdminPassword=$DSSafeModePassword
RebootonCompletion=Yes
"@
			
# Output config file to text file
$DCPromoFile | out-file c:\dcpromoanswerfile.txt  -Force
			
# Run DCPromo with the correct config
& 'C:\Windows\System32\dcpromo.exe' /unattend:c:\dcpromoanswerfile.txt