This documentation is archived and is not being maintained.

Principal.UserPrincipalName Property

Gets or sets the user principal name (UPN) associated with this principal.

Namespace:  System.DirectoryServices.AccountManagement
Assembly:  System.DirectoryServices.AccountManagement (in System.DirectoryServices.AccountManagement.dll)

public string UserPrincipalName { get; set; }

Property Value

Type: System.String
The UPN associated with this principal or null if no if the UPN has not been set.


The underlying store does not support this property.

Setting this property to null removes the existing UPN, if one exists.

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.

.NET Framework

Supported in: 3.5