We can use the Install from media (IFM) option to install an Additional Domain Controller in an existing domain is the best option such as a branch office scenario where network is slow, unreliable and costly. IFM will minimize replication traffic during the installation because it uses restored backup files to populate the AD DS database. This will significantly reduce the amount of traffic copied over the WAN link. For this Installation process, we have to follow these steps:
- On the Primary Domain Controller (KTM-DC01-2K12), Create Installation media using Ntdsutil.exe.
- Add the AD DS role to the member server
- Select Install from Media option to configure a member server as a new domain controller.
Step 1: To Create Installation Media Using Ntdsutil, follow these steps:
1. Log on
to KTM-DC01-2K12, as msserverpro\administrator, then open the
Command Prompt, type
Activate instance ntds and press
Enter.
2. At the ntdsutil prompt, type
ifm and then press
Enter.
3. At the ifm prompt, type
create sysvol full e:\ifm and then press
Enter.
Note: Verify folder named IFM on this drive.
4. Type,
quit, quit.
5. Then,
copy the entire contents from the
IFM folder to removable drive because we are going to install Additional Domain Controller at a remote branch office where network bandwidth is limited.
Steps 2: Add the AD DS role to the member server (POK-DC01-2K12):
1. Open
Server Manager, in the toolbar, click
Manage, and then click
Add Roles and Features.

2. On the
Before you begin page, click Next.
3. On
the Select installation type page, ensure that
Role-based or feature-based installation is selected and then click
Next.
4. On
Select destination server page, verify that
POK-DC01-2K12.msserverpro.com is highlighted, and then click
Next.
5. On Select server roles page, click
Active Directory Domain Services, in the
Add Roles and Features Wizard windows, click
Add Features, and then click
Next.
6. In the
Select features window, click
Next.
7. On
Active Directory Domain Services page, click
Next.
8. On
Confirm installation selections page, select
Restart the destination server automatically if required. Click
Yes at the message box.
9. Click
Install and Installation progress start….
10. After the Installation is succeeded, click
Close.
Step 3: Create Additional Domain Controller Using IFM Data:
1. Log on to server
POK-DC01-2K12 with the
Domain administrator account.
Note: Here
POK-DC01-2K12 is member server in the domain.
2. Copy the entire contents from the IFM folder on removable drive to the
c:\IFM folder on
POK-DC01-2K12 Server. Verify that all items have been copied.
3. Open
Server Manager, In the
Server Manager Toolbar, to the left of the
Mange button, click the
Yellow Alert button. In the
Post-development Configuration Window, click
Promote this server to a domain controller.
4. On the
Development Configuration page, ensure that
Add a domain controller to an existing domain is selected, and confirm that
msserverpro.com is entered as
Specify the domain information for this operation Domain and Click
Next.
5. On the
Domain Controller Options page, ensure that both
Domain Name System (DNS) server and
Global catalog (GC) are selected. For the
DSRM password, enter
P@ssw0rd in both boxes, and then click
Next.
6. On the
DNS Options page, click
Next.
7. On the
Additional Options page, select the check box next to
Install from media, in the text box, type
C:\Ifm and then click
verify. When the path has been verified, click
Next.
8. On the
Paths page, click
Next.
9. On the
Review Options page, review the selection and then click
Next.
10. On
Prerequisites Check page, verify
All prerequisite checks are passed successfully and then Click
Install and wait while AD DS is configured. While this task is running, read the information messages that display on the screen.
11. On Installation page,
wait for the server to restart to
complete the AD DS installation.
12. Finally
, verify that additional domain controller is successfully installed by using IFM.
Summary:
Finally, our new Additional Domain Controller has been created from IFM. This will minimize replication traffic during the Installation. This is the best option for a branch office scenario where network bandwidth is limited. I hope this helps.
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