Represents a user principal name (UPN) for an identity which is used when the binding utilizes the SSPINegotiate authentication mode.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
A user account name (UPN) is the user name (sometimes referred to as the user logon name) and a domain name that identifies the domain in which the user account is located. This is one of the standard ways to log on to a Windows domain. The format is: firstname.lastname@example.org (as for an e-mail address).
A Down-Level Logon Name can also be used for creating a .
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.