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WindowsIdentity.AuthenticationType Property

Gets the type of authentication used to identify the user.

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

public override sealed string AuthenticationType { get; }

Property Value

Type: System.String
The type of authentication used to identify the user.

Implements

IIdentity.AuthenticationType

ExceptionCondition
UnauthorizedAccessException

Windows returned the Windows NT status code STATUS_ACCESS_DENIED.

OutOfMemoryException

There is insufficient memory available.

SecurityException

The caller does not have the correct permissions.

-or-

The computer is not attached to a Windows 2003 or later domain.

-or-

The computer is not running Windows 2003 or later.

-or-

The user is not a member of the domain the computer is attached to.

This property is informational; it is not used by the security system. On Windows Vista and later versions of the Windows operating system, the default value for this property is Negotiate, which chooses the best security support provider (SSP) based on customer-configured security policy. The default property value for earlier versions of the Windows operating system is Kerberos.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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