Install Active directory in PC2
Run DCpromo
Click Next
Click Next
Select the Existing forest (as we are making Additional
domain)
Click Next
Enter the Domain Name abc.com and click Set
Enter the Primary DC administrator account credentials
In Set field administrator account is appeared
Select domain abc.com click Next
Select Default First Site Name then Next
Click Next
Click yes to continue
Destination path to store information (Database)
Click Next
Select the password in order to restore when needed
Then Next
View the summary then click next
Select the option to reboot on completion
PC2 is an replication of PC1
(Primary DC username and password is required to enter the Additional DC)
Verification
Whatever is in Active directory of PC1(primary domain
controller) is replicated in to the Additional Domain controller PC2
PC2 contain all those groups and OUs which are present in
PC1
On PC1 let’s create another OU names as Test OU
On PC1 (Primary Domain Controller)
StartàAdministrative
toolà
Active Directory and Usersàabc.comà
Right Click on domain Name abc.comàclick NewàOrganizational
Unit
Name the OU as Test OU then OK
Test OU is created on PC1
Now check on PC2 weather Test OU is replicated?
On PC 2
StartàAdministrative
toolàActive
Directory Users and ComputersàDomain
Name abc.comà
Test OU is replicated in PC2 (additional domain controller)
Now Create the user in PC1 (Primary DC)
Select Test OU and Click New user on the top menu
Enter the password then Next
Click Finish
In the test OU test user is created on PC1
Now check PC2 (Additional DC)
Double click the Test OU, user Test is created in Test OU in
PC2
Note:-
Similarly whatever administrator create or delete in PC2
(additional DC) will be replicated in PC1.