Mailbox.ImmutableId Property

Gets or sets an identifier for the mailbox that will never change.

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

Syntax

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

value = instance.ImmutableId

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

Property Value

Type: System.String
An identifier for the mailbox that does not change.