User.UserPrincipalName Property

Gets or sets the user principal name (UPN) of the user.

Namespace:  Microsoft.Exchange.Data.Directory.Management
Assembly:  Microsoft.Exchange.Data.Directory (in Microsoft.Exchange.Data.Directory.dll)

Syntax

'Declaration
<ParameterAttribute(Mandatory := False)> _
Public Property UserPrincipalName As String
    Get
    Set
'Usage
Dim instance As User
Dim value As String

value = instance.UserPrincipalName

instance.UserPrincipalName = value
[ParameterAttribute(Mandatory = false)]
public string UserPrincipalName { get; set; }

Property Value

Type: System.String
The UPN of the user.

Remarks

The UPN is the logon name for the user and consists of a user name and a suffix. Typically, the suffix is the domain name in which the user account resides.