Assume that Microsoft Exchange Server 2013 is deployed in a domain that has a disjoint namespace. After you apply Service Pack 1 (SP1) for Exchange Server 2013, you receive the following error message when you manage a Database Availability Group (DAG) in Exchange Admin Center:
Some or all identity references could not be translated.
When you run high availability cmdlets in Exchange Management Shell, you receive the following error message:
About disjoint namespace
In most domain topologies, the primary DNS suffix of the computers in the domain is the same as the DNS domain name. In some cases, you may require these namespaces to be different. This is known as a disjoint namespace.
Some or all identity references could not be translated.
WARNING: An unexpected error has occurred and a Watson dump is being generated: Some or all identity references could not be translated. Some or all identity references could not be translated.
+ CategoryInfo : NotSpecified: (:) [Set-DatabaseAvailabilityGroup], IdentityNotMappedException
+ FullyQualifiedErrorId : System.Security.Principal.IdentityNotMappedException,Microsoft.Exchange.Management.Syste
mConfigurationTasks.SetDatabaseAvailabilityGroup
+ CategoryInfo : NotSpecified: (:) [Set-DatabaseAvailabilityGroup], IdentityNotMappedException
+ FullyQualifiedErrorId : System.Security.Principal.IdentityNotMappedException,Microsoft.Exchange.Management.Syste
mConfigurationTasks.SetDatabaseAvailabilityGroup
About disjoint namespace
In most domain topologies, the primary DNS suffix of the computers in the domain is the same as the DNS domain name. In some cases, you may require these namespaces to be different. This is known as a disjoint namespace.