Configuring Windows Server 2019 as a Domain Controller, File Server, and Simple NAT Router with DHCP, DNS, and VLAN Support

To set up a Windows Server 2019 domain controller, file server, small services, simple router with NAT, DHCP, DNS, and support for 2-3 VLANs on a single LAN port, follow the steps below:

Prerequisites

1. Ensure you have a clean installation of Windows Server 2019.
2. Prepare the necessary hardware, including a minimum of 2 network adapters: one for the management network (Domain Controller and DHCP) and another for the data network (File Server, Router, and VLANs).

Install Role and Features

1. Press Win + X and select Windows PowerShell (Admin).
2. Run the following command to install the Active Directory Domain Services (AD DS), DHCP Server, DNS Server, Routing and Remote Access, and File and iSCSI Services roles:

Install-WindowsFeature -Name AD-Domain-Services,DHCP-Server,DNS-Server,Routing,File-Services,iSCSI-Target -IncludeManagementTools

3. Restart the server if prompted.

Configure DHCP Server

1. Open the Server Manager and navigate to DHCP > DHCP Server > Action > Configure DHCP scope.
2. Create a new scope for the data network, specify the IP address range, subnet mask, default gateway, and DNS servers.
3. Assign the IP address of the management network interface as the DHCP server IP address.
4. Click Next and complete the wizard.

Configure DNS Server

1. Open the Server Manager and navigate to DNS > Action > Configure the primary DNS server.
2. Click Next on the introduction page and select Configure the primary DNS server on this computer.
3. Select the appropriate IP addresses for the forwarders and root hints.
4. Click Next and complete the wizard.

Configure Routing and Remote Access

1. Open the Server Manager and navigate to Routing and Remote Access > Routing and Remote Access Server Setup.
2. Click Next on the introduction page and select Custom configuration.
3. Select the data network interface and click Next.
4. Select Routing and click Next.
5. Click Finish.
6. Open the Routing and Remote Access Manager console and navigate to IP Routing > General > Action > New Routing Protocol.
7. Select Routing Information Protocol (RIP) for IP and click Next.
8. Select the data network interface and click Next.
9. Click Finish.
10. Create VLANs by right-clicking on the data network interface and selecting Properties.
11. Under the Advanced tab, click New VLAN ID and enter the VLAN ID number.
12. Repeat steps 10-11 for additional VLANs.
13. Click OK to save the changes.

Configure Active Directory Domain Services

1. Open the Server Manager and navigate to Active Directory Domain Services > Action > Install Active Directory Domain Services.
2. Follow the wizard to install the AD DS role.
3. Restart the server if prompted.
4. After the restart, open the Active Directory Domains and Trusts console and promote the server to a domain controller.

Configure File Server

1. Open the Server Manager and navigate to File and iSCSI Services > Shares > Action > New Share.
2. Create a new share for the data network, specify the share name, and select the data network folder.
3. Click Next and complete the wizard.

Summary

This article provided a step-by-step guide to setting up a Windows Server 2019 domain controller, file server, small services, simple router with NAT, DHCP, DNS, and support for 2-3 VLANs on a single LAN port.

References

• Installing Active Directory Domain Services on Windows Server 2019
• Configuring DHCP Server on Windows Server 2019
• Configuring DNS Server on Windows Server 2019
• Configuring Routing and Remote Access on Windows Server 2019
• Configuring VLANs on Windows Server 2019