Your network contains an Active Directory forest. The forest contains two domains. The
forest contains four domain controllers. The domain controllers are configured as shown in
the following table.
All user accounts are located in the child.contoso.com domain. Users in the
child.contoso.com domain are members of several security groups in the contoso.com
domain.
Your company decides to change the naming standard of user accounts.
You rename all of the user accounts to comply with the new standard.
You discover that the old user names are listed in the members’ list of the security groups in
the contoso.com domain.
You need to ensure that the members’ list of the security groups in the contoso.com domain
displays the new user names.
What should you do?
A.
Transfer the PDC emulator role from DC2 to DC3.
B.
Configure DC5 as a global catalog server.
C.
Configure DC1 as a global catalog server.
D.
Transfer the infrastructure master role from DC3 to DC2.