RDS 2016 Farm: Configure Domain Controllers

This topic is part of a series about how to deploy a Windows Server 2016 RDS farm in Azure. In the previous topics, we have deployed Microsoft Azure resources such as networks, storage or virtual machines. In this topic, we will configure domain controllers to extend the On-Premise Active Directory to Microsoft Azure  Before following this topic, the previous articles of this series must be followed. This series consists of the following topics:

Prepare the On-Prem Active Directory

In the following screenshot, you can find the current sites and services configuration. I have two sites with a replication link.

Now I’m going to create a new site, subnets, and a new replication link with PowerShell:

$OnPremSite = "Lyon-HyperV"
$AzureSite  = "Azure"
$AzureDesc  = "Azure AD Site"

Try {
    New-ADReplicationSite -Name $AzureSite `
                          -Description $AzureDesc `
                          -ErrorAction Stop

    New-ADReplicationSubnet -Name 10.11.0.0/24 `
                            -Site $AzureSite `
                            -ErrorAction Stop

    New-ADReplicationSubnet -Name 10.11.1.0/24 `
                            -Site $AzureSite `
                            -ErrorAction Stop

    New-ADReplicationSiteLink -Name $($OnPremSite + "-" + $AzureSite) `
                              -ReplicationFrequencyInMinutes 15 `
                              -InterSiteTransportProtocol IP `
                              -SitesIncluded $OnPremSite, $AzureSite `
                              -Cost 200
                              -ErrorAction Stop
}
Catch {
    Write-Output $Error[0].Exeption.Message
}

The following screenshot presents the sites and services configuration after that I have run the script.

Below you can find the subnets configuration.

Azure VM configuration

First of all, I set to static the IP address of my domain controllers:

  • AZADS0: 10.11.0.20
  • AZADS1: 10.11.0.21

Then I change the DNS configuration. AZADS0 is bound to On-Prem domain controllers.

AZADS1 is bound to AZADS0 and an On-Prem domain controller.

Thanks to this configuration, both domain controllers are able to resolve the On-Prem domain DNS name (called homecloud.net).

Operating system configuration

Now I’m connecting to each domain controller (across the private IP because VPN is established) and I create a new volume on the data disk. I run the following PowerShell cmdlet:

Initialize-Disk -Number 2
New-Volume -DiskNumber 2 -FriendlyName Data -FileSystem NTFS -DriveLetter E

Then I install the domain service and DNS role:

Install-WindowsFeature AD-Domain-Services, DNS -IncludeManagementTools

Next I add promote the server as a domain controller:

Import-Module ADDSDeployment
Install-ADDSDomainController `
-NoGlobalCatalog:$false `
-CreateDnsDelegation:$false `
-Credential (Get-Credential) `
-CriticalReplicationOnly:$false `
-DatabasePath "E:\NTDS" `
-DomainName "homecloud.net" `
-InstallDns:$true `
-LogPath "E:\NTDS" `
-NoRebootOnCompletion:$false `
-SiteName "Azure" `
-SysvolPath "E:\SYSVOL" `
-Force:$true

Once each Azure domain controllers are promoted, I open again the Active Directory Sites and Services. You can see now that both Azure Domain Controllers are located in Azure AD site.

Next topic

In the next topic, I will deploy the RDS Farm with all roles in High Availability. I’ll try to make the most PowerShell possible.

About Romain Serre

Romain Serre works in Lyon as a Senior Consultant. He is focused on Microsoft Technology, especially on Hyper-V, System Center, Storage, networking and Cloud OS technology as Microsoft Azure or Azure Stack. He is a MVP and he is certified Microsoft Certified Solution Expert (MCSE Server Infrastructure & Private Cloud), on Hyper-V and on Microsoft Azure (Implementing a Microsoft Azure Solution).

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