4.1.11.4.1 Initial State
Domain functional level is DS_BEHAVIOR_WIN2000 and the nTMixedDomain attribute on the domain NC root is 1 (see [MS-ADTS] section 6.1.4.1). The PDC role is held by DC2.
ldap_search_s("DC=contoso,DC=com", baseObject, "(objectClass=*)")
>> Dn: DC=contoso,DC=com
1> fSMORoleOwner: CN=NTDS Settings, CN=DC2, CN=Servers,
CN=Default-First-Site-Name, CN=Sites, CN=Configuration,
DC=contoso, DC=com;