6.1.2.3.4 DC and Partial Replica NCs Replicas

A DC is instructed to host a partial NC replica of every domain NC in the forest if:

A DC hosts a partial NC replica of a domain NC when the following are true:

  • The attribute hasPartialReplicaNCs on the nTDSDSA object representing the DC contains the DSName of the NC roots representing the domain NC.

  • The attribute msDS-HasInstantiatedNCs on the nTDSDSA object representing the DC contains an Object(DN-Binary) value such that the DN field is the DSName of the NC root representing the NC, and the Data field contains the value of the instanceType attribute on the NC root object on the DC.