<div class="content" name="infra" uuid="f2d2513a-dbce-43f7-be7a-0be5d25877af"><p>When an <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_8bb43a65-7a8c-4585-a7ed-23044772f8ca" data-linktype="relative-path">object</a></span> in one <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_b0276eb2-4e65-4cf1-a718-e0920a614aca" data-linktype="relative-path">domain</a></span>
is referenced by another object in another domain, it represents the reference
as a <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_4d5e1f08-aa00-4dde-9411-7dd6e09ed85a" data-linktype="relative-path">dsname</a></span>.
There is one Infrastructure FSMO role per domain and <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_53fee475-b07f-45e1-b4b7-c7ac0c1e7f6a" data-linktype="relative-path">application NC</a></span> in a <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_49ce3946-04d2-4cc9-9350-ebcd952b9ab9" data-linktype="relative-path">directory</a></span>.</p><p>If all the <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_76a05049-3531-4abd-aec8-30e19954b4bd" data-linktype="relative-path">domain controllers</a></span>
in a domain also host the GC, then all the domain controllers have the current
data, and it is not important which domain controller owns the Infrastructure
Master (IM) role. See section <span><a href="832b9a41-9bb4-4619-ac40-243561fa1e65" data-linktype="relative-path">3.1.1.5</a></span> for more
information about the Infrastructure Master.</p><p>When the <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_54624800-58f4-45e9-90bf-c9b52dcf98f3" data-linktype="relative-path">Recycle Bin</a></span> <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_785b66f1-22b3-450f-97aa-a24a39d04d47" data-linktype="relative-path">optional
feature</a></span> is not enabled, the Infrastructure FSMO role owner is the DC
responsible for updating a cross-domain <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_3ca938ae-c14f-4f59-8a7d-daca9f76db4e" data-linktype="relative-path">object reference</a></span> in
the event that the referenced object is moved, renamed, or deleted. In this
case, the Infrastructure Master role MUST be held by a domain controller that
is not a <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_a5a99ce4-e206-42dc-8874-e103934c5b0d" data-linktype="relative-path">GC server</a></span>. If the
Infrastructure Master runs on a GC server, it will not <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_b242435b-73cc-4c4e-95f0-b2a2ff680493" data-linktype="relative-path">update</a></span>
object information, because it does not contain any references to objects that
it does not hold. This is because a GC server holds a partial <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_ea02e669-2dda-460c-9992-b12a23caeeac" data-linktype="relative-path">replica</a></span>
of every object in the <span><a href="b645c125-a7da-4097-84a1-2fa7cea07714#gt_fd104241-4fb3-457c-b2c4-e0c18bb20b62" data-linktype="relative-path">forest</a></span>.</p><p>When the Recycle Bin optional feature is enabled, every DC
is responsible for updating its cross-domain object references in the event
that the referenced object is moved, renamed, or deleted. In this case, there
are no tasks associated with the Infrastructure FSMO role, and it is not
important which domain controller owns the Infrastructure Master role.</p></div>