Additional Domain Controller or Backup domain controller is use to keep the copy of all AD activities.
Changes in Primary Controller reflect in Additional DC and vice versa.
Additional DC is different then the Child Domain and Read Only Domain(RODC) controllers.
In case of failure of Primary Domain Controller Additional domain controller act as backup domain and is use as primary domain controller after transferring the roles and functions from Primary DC to Additional DC.
PC1 is Primary(main) Domain controller let’s make another server as PC2 which must be accessible by PC1 and be member of domain.
Changes in Primary Controller reflect in Additional DC and vice versa.
Additional DC is different then the Child Domain and Read Only Domain(RODC) controllers.
In case of failure of Primary Domain Controller Additional domain controller act as backup domain and is use as primary domain controller after transferring the roles and functions from Primary DC to Additional DC.
PC1 is Primary(main) Domain controller let’s make another server as PC2 which must be accessible by PC1 and be member of domain.
As PC1 have IP Address
192.168.1.1
Lets give PC2
192.168.1.2
Runàserver
manager
Over View of un configured Server PC2.
Setting up the IP Address of PC2(Server 2)
Control PanelàNetwork
Sharing CentreàManage
Network Connection
Right Click on the LAN connection and Click the Properties
Select the TCP/IP V4 and click the properties
Enter the manual IP Addresses and Primary Domain controller
IP Address
Click OK
Setting Up the Name of PC2 (Server 2)
Right Click on my computerà Click the propertiesà
Click Change Setting
Name the Server as PC2 then Click More
Enter the domain Name as abc.com to join the domain and
click the box
Now enter the administrator username and password of
PC1(Domain controller) to join the domain
Domain abc.com is joined successfully
And restart the server to take changes in to effect.
Verification
On PC1(DC)
RunàCMDàping
the 192.168.1.2
PC1 is successfully connected to PC2
Check DNS of PC1(DC)
Startàadministrative
toolàDNSàPC1(Server
name)à
Forward Lookup zone
PC2 (Server Operating System) is added in DNS of Primary DC (PC1).