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Systems & Data Center · Advanced

Infrastructure Master

The domain-wide FSMO role that updates cross-domain object references, such as group members from other domains.

Definition

In multi-domain forests, the Infrastructure Master should not be on a global catalog server unless every DC is a GC. In single-domain forests its placement does not matter.

Example

When a user in a trusted domain is renamed, the Infrastructure Master updates the reference in local groups.

Exam tip

Classic rule: do not place the Infrastructure Master on a GC unless all DCs are GCs.

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