dcConfigurationFile.ps1

#
# Domain Controller DSC Configuration
#

configuration dcConfigurationFile {

    $domainName = Get-AutomationVariable -Name 'domainName';
    $adCredential = Get-AutomationPSCredential -Name 'domainAdmin';
    
    Import-DscResource -ModuleName xActiveDirectory, xComputerManagement, xNetworking, xStorage, PSDesiredStateConfiguration

    Node 'newForest' {
		# Add the DNS server feature
		WindowsFeature DnsFeature { 
            Ensure = 'Present'
			Name = 'DNS'
        }

        WindowsFeature DnsTools {
            Ensure = 'Present'
            Name = 'RSAT-DNS-Server'
        }

		# Setup loopback DNS address
		xDnsServerAddress DnsServerAddress { 
            Address        = '127.0.0.1' 
            InterfaceAlias = 'Ethernet 2'
            AddressFamily  = 'IPv4'
        }

		# Add Domain Services feature
		WindowsFeature DomainServicesFeature { 
            Ensure = 'Present'
            Name = 'AD-Domain-Services'
			DependsOn = '[xDnsServerAddress]DnsServerAddress', '[WindowsFeature]DnsFeature'
        }

		# Install AD DS PowerShell cmdlets
		WindowsFeature DomainServicesPSFeature {
			Ensure = 'Present'
			Name = 'RSAT-AD-PowerShell'
		}

            # Configure AD DS
            xADDomain DomainController {
                DomainName = $domainName
                DomainAdministratorCredential = $adCredential
                SafemodeAdministratorPassword = $adCredential
                DatabasePath = 'F:\NTDS'
                LogPath = 'F:\NTDS'
                SysvolPath = 'F:\SYSVOL'
                DependsOn = '[WindowsFeature]DomainServicesFeature', '[xDisk]Disk2'
            }

        xWaitforDisk WaitForDisk2 {
             DiskId = 2
             RetryIntervalSec = 30
             RetryCount = 5
        }

        xDisk Disk2 {
            DiskId = 2
            DriveLetter = 'F'
            DependsOn = '[xWaitForDisk]WaitForDisk2'
        }
   }

   Node 'existingForest' {
    # Add the DNS server feature
    WindowsFeature DnsFeature { 
        Ensure = 'Present'
        Name = 'DNS'
    }

    WindowsFeature DnsTools {
        Ensure = 'Present'
        Name = 'RSAT-DNS-Server'
    }

    # Setup loopback DNS address
    xDnsServerAddress DnsServerAddress { 
        Address        = '127.0.0.1' 
        InterfaceAlias = 'Ethernet 2'
        AddressFamily  = 'IPv4'
    }

    # Add Domain Services feature
    WindowsFeature DomainServicesFeature { 
        Ensure = 'Present'
        Name = 'AD-Domain-Services'
        DependsOn = '[xDnsServerAddress]DnsServerAddress', '[WindowsFeature]DnsFeature'
    }

    # Install AD DS PowerShell cmdlets
    WindowsFeature DomainServicesPSFeature {
        Ensure = 'Present'
        Name = 'RSAT-AD-PowerShell'
    }


        xADDomainController DomainController {
            DomainName = $domainName
            DomainAdministratorCredential = $adCredential
            SafemodeAdministratorPassword = $adCredential
            DatabasePath = 'F:\NTDS'
            LogPath = 'F:\NTDS'
            SysvolPath = 'F:\SYSVOL'
            DependsOn = '[WindowsFeature]DomainServicesFeature', '[xDisk]Disk2'
        }

    xWaitforDisk WaitForDisk2 {
         DiskId = 2
         RetryIntervalSec = 30
         RetryCount = 5
    }

    xDisk Disk2 {
        DiskId = 2
        DriveLetter = 'F'
        DependsOn = '[xWaitForDisk]WaitForDisk2'
    }
}
}