Updated: December 2009
Gets the type of authentication used to identify the user.
Assembly: mscorlib (in mscorlib.dll)
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.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
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.