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Active Administrator 8.5 - Web Console User Guide

Active Administrator Web Console Overview Active Directory Health Alerts Notifications Active Directory Health Check
Using the Health Check landing page Creating a Health Check Setting options for Health Check tests Purging Health Check History Health check tests
Forest tests Domain tests Domain controller tests Site tests
Active Directory Topology Reports Network Operations Center

Infrastructure master not responding

Indicates that the infrastructure operations master is not responding within the configured threshold.

Supported on: Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, and Windows Server 2019
Required permissions: Domain user privilege is required.

This error can occur if any of the following occurs:

Active Directory® on the domain controller has failed in some way.
Make sure the indicated domain controller actually exists. If it does not exist, run NTDSUTIL and select the metadata cleanup option to clean up the erroneous objects in the directory.
Check the LDAP response time for the domain controller on the Active Directory tab in Active Directory Health Analyzer. If it is too high, you may need to add another domain controller for the same domain in the same site.

Infrastructure operations master inconsistent

Indicates that the infrastructure operations master is not consistent among all domain controllers in the domain.

Supported on: Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, and Windows Server 2019
Required permissions: Domain user privilege is required.

The infrastructure operations master is contained in the fSMORoleOwner property of the infrastructure object contained by each domain object. Every domain controller in the domain has a copy of the infrastructure operations master.

Active Directory® objects can contain links to other objects in the directory. Active Directory keeps these links up-to-date even if the linked-to object is moved to another container or is renamed. This update cannot happen if the linked-to object is in another domain.

If the infrastructure operations master is inconsistent, it is possible that two copies will run simultaneously on two different domain controllers, with potentially disastrous consequences.

The Infrastructure operations master can become inconsistent because an administrator used NTDSUTIL.EXE to move the Operations Master when there was incomplete connectivity to all domain controllers in the domain. It can also occur because of replication errors.

Wait to see if the error clears itself. If an administrator has moved an operations master to another domain controller, replication to all domain controllers in the domain can take some time.

If you have waited long enough for replication to have occurred to all domain controllers in the domain, contact your Microsoft Windows support representative.

Objects exist in the Lost and Found

Generated when Active Directory Health Analyzer discovers objects in the Lost And Found container of a naming context.

Supported on: Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, and Windows Server 2019
Required permissions: Domain user privilege is required.

During the replication process, Active Directory® may encounter orphaned objects, which are objects that have no parent container. For example, a user deletes container X on domain controller A, and another user modifies object Y contained in container X on domain controller B. During replication, domain controller A will receive an update operation for an object that has no container because container X was deleted. In this case, the directory system agent (DSA) on domain controller A puts the object in the Lost And Found container.

The DSA will place objects in the Lost And Found container as part of its normal operation. However, several Lost And Found objects may indicate a replication problem, or at least the deletion of a container that should not have been deleted.

Inspect the objects in the Lost And Found container of the replica using an appropriate utility. Move the objects to an appropriate container or delete them from the Lost And Found container.

PDC master not responding

Indicates that the PDC (primary domain controller) operations master is not responding within the configured threshold.

Supported on: Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, and Windows Server 2019
Required permissions: Domain user privilege is required.

This error can occur if any of the following occurs:

Active Directory® on the domain controller has failed in some way.
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