UserPrincipalNameElement Class
Represents a configuration element that specifies a user principal name. This class cannot be inherited.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
A user principal name is the logon name type of a user on a network. The user principal name consists of the user object name used in Active Directory, followed by the symbol (@) and then, typically, the Domain Name System parent domain. For example, Jeff in the Fabrikam.com domain tree might have the user principal name jeff@fabrikam.com.
System.Configuration.ConfigurationElement
System.ServiceModel.Configuration.UserPrincipalNameElement
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.