Does Directory and Resource Administrator extend the Active Directory Schema? (NETIQKB4119)

goal
Does Directory and Resource Administrator extend the Active Directory Schema?

goal
In what way does DRA extend the Active Directory Schema?

fact
Directory and Resource Administrator 6.x

fact
Directory and Resource Administrator 7.x

fact
Directory and Resource Administrator 8.0

fix
No, Directory and Resource Administrator (DRA) does not extend the Active Directory Schema.  Directory and Resource Administrator uses a three-tier architecture, which protects the Active Directory from being polluted.