Default containers : These are created automatically when the first domain is created. Open Active Directory Users and Computers, and then verify that the following containers are present: Computers, Users, and ForeignSecurityPrincipals.
Default domain controllers organizational unit : This holds the first domain controller, and additionally serves as the default container for new domain controllers. Open Active Directory Users and Computers, and then verify this organizational unit.
Default-First-Site-Name : During the promotion of a server to domain controller, the Dcpromo.exe program determines the site of which the domain controller can become a member. If the domain controller that is being created is the first in a new forest, a default site named "Default-First-Site-Name" is created and the domain controller becomes a member of this site. You can verify this item by using Active Directory Sites and Services.
Active Directory database : The Active Directory database is your Ntds.dit file. Verify its existence in the %Systemroot%\Ntds folder.
Global catalog server : The first domain controller becomes a global catalog server, by default
Shared system volume : A domain controller should have a shared system volume located in the %Systemroot%\Sysvol\Sysvol folder. To verify this item, use the net share command.
NETLOGON D:\Windows\SYSVOL\sysvol\DOMAIN.COM\SCRIPTS
SYSVOL D:\Windows\SYSVOL\sysvol
SRV resource records : You must have a DNS server installed and configured for Active Directory and the associated client software to function correctly. Active Directory creates its SRV RRs in the following folders:
_Msdcs/Dc/_Sites/Default-first-site-name/_Tcp
_Msdcs/Dc/_Tcp
In these locations, an SRV RR is displayed for the following services:
_kerberos
_ldap