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AuthenticationException Class

Note: This class is new in the .NET Framework version 2.0.

The exception that is thrown when authentication fails for an authentication stream.

Namespace: System.Security.Authentication
Assembly: System (in system.dll)

[SerializableAttribute] 
public class AuthenticationException : SystemException
/** @attribute SerializableAttribute() */ 
public class AuthenticationException extends SystemException
SerializableAttribute 
public class AuthenticationException extends SystemException

The NegotiateStream and SslStream classes throw this exception when the client or server cannot be authenticated. When this exception is thrown, you can retry the authentication with different credentials. If you cannot retry the authentication, a FatalAuthenticationException is thrown instead of the AuthenticationException.

NegotiateStream | SslStream

System.Object
   System.Exception
     System.SystemException
      System.Security.Authentication.AuthenticationException
         System.Security.Authentication.InvalidCredentialException
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0
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