To install the AD DS role in Windows Server 2019, complete the following steps:
- Click the Start button, and then, in the Start menu, click the Server Manager tile.
- In the Server Manager window, in the WELCOME TO SERVER MANAGER section, click Add roles and features, as shown in Figure 5.27:

Figure 5.27: Adding roles and features to the server using Server Manager
- With the Add Roles and Features Wizard open, click Next.
- Select the Role-based or feature-based installation option and click Next.
- With the Select a server from the server pool option checked, click Next.