How to setup Active Directory on Windows 2008 R2
This article provides prerequisites and steps for installing Active Directory Domain Services (AD DS) on servers running Microsoft Windows Server 2008 R2 Enterprise 64-bit.
This article does not provide instructions for adding a Domain Controller (DC) to an already existing Active Directory Forest infrastructure.
Prepare for AD DS
Before you install AD DS on a server running Windows Server 2008 R2 Enterprise 64-bit, you must perform the following tasks.
- Select domain name and password
- Select your domain name and know the domain administrator password that you want to use.
Note: Your domain name should be unique. Do not use the same domain as your website, for example, and avoid extensions like .local unless you have registered that domain name in DNS. Try using a domain name that is not used for anything else, like internal.example.com.
- Specify the preferred DNS server
Windows Server 2008 can properly install and configure DNS during the AD DS installation if it knows that the DNS is local. To accomplish this do the following:
- From the Windows Start menu, open Administrative Tools > Server Manager.
- In the Server Summary section of the Server Manager window, click View Network Connections.
- In the Network Connections window, right-click the private adapter and select Properties.
- From the list of connected items, select Internet Protocol Version 4, and then click Properties.
- Copy the IP address that is displayed in the IP address box and paste it in the Preferred DNS server box. Then, click OK.
- Click OK in the Properties dialog box, and close the Network Connections window.
Add the Active Directory Domain Services role
Adding the Active Directory Domain Services role installs the framework for Windows Server 2008 to become a DC and run AD DS. It does not promote the server to a DC or install AD DS.
- In the Server Manager window, select the Roles directory.
- In the Roles Summary section, click Add Roles.
- On the Before You Begin page of the Add Roles Wizard, click Next.
- On the Select Server Roles page, select the Active Directory Domain Services check box, and then click Next.
- On the Confirmation page, click Next.
- On the Installation Progress page, click Install.
- On the Results page, after the role is successfully added, click Close.
Enable remote management
- Open the Server Manager window if it is not already open.
- In the Properties area of the Local Servers page, click Remote Management.
- Select the Enable remote management of this server from other computers check box.
Install AD DS
Now that you have prepared the server, you can install AD DS (DCPROMO).
Note: As an alternative to performing steps 1 through 3, you can type
dcpromo.exe at the command prompt. Then, skip to step 4.
- If it is not already open, open the Server Manager window.
- Select Roles > Active Directory Domain Services.
- In the Summary section,click Run the Active Directory Domain Services Installation Wizard (dcpromo.exe).
- On the Welcome page of the Active Directory Domain Services Installation Wizard, ensure that the Use advanced mode installation check box is not checked, and then click Next.
- On the Operating System Compatibility page, click Next.
- On the Choose a Deployment Configuration page, select Create a new domain in a new forest and then click Next.
- On the Name the Forest Root Domain page, enter the domain name that you choose during preparation steps. Then, click Next.The installation program verifies the NetBIOS name.
- On the Set Forest Functional Level page, select Windows Server 2008 R2 in the Forest function level list. Then, click Next.The installation program examines and verifies your DNS setting.
- On the Additional Domain Controller Options page, ensure that the DNS server check box is selected, and then click Next.
- A warning will pop up saying, “A delegation for this DNS server cannot be created because the authoritive parent zone cannot be found…” you can ignore this and just click Yes.
- On the Location for Database, Log Files, and SYSVOL page, accept the default values by clicking Next.
- On the Directory Services Restore Mode Administrator Password page, enter the domain administrator password that you chose during the preparation steps. This is not your admin password that was emailed to you during the creation of your server, although you can use that password if you want to. Then, click Next.
- On the Summary page, review your selections and then click Next.The installation begins.
Note: If you want the server to restart automatically after the installation is completed, select the Reboot on completion check box.
- If you did not select the Reboot on completion check box, click Finish in the wizard. Then, restart the server.
- After a few minutes, reconnect to your server in the Console in the Cloud Control Panel or RDP.
- To log in, perform the following steps:
a. Click **Switch User**, and then click **Other User.** b. For the user, enter the full domain name that you chose, followed by a back slash and **Administrator** (for example, **internal.example.com\\Administrator**). c. Enter the password that was emailed to you when you first built the server. If you changed your password for the local admin account on this server before you began the installation of AD DS, use that password. d. Click the log in button.
The installation of Active Directory Domain Services on your server is complete.