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IsAuthenticated Property
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IIdentity.IsAuthenticated Property

Gets a value that indicates whether the user has been authenticated.

Namespace:  System.Security.Principal
Assemblies:   mscorlib (in mscorlib.dll)
  System.Security.Principal (in System.Security.Principal.dll)

bool IsAuthenticated { get; }

Property Value

Type: System.Boolean
true if the user was authenticated; otherwise, false.

The setting for this property is determined by the Windows SECURITY_AUTHENTICATED_USER_RID security identifier (SID).

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Portable Class Library

Supported in: Portable Class Library
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