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NegotiateStream.EndAuthenticateAsClient Method

Ends a pending asynchronous client authentication operation that was started with a call to BeginAuthenticateAsClient.

Namespace:  System.Net.Security
Assembly:  System (in System.dll)

public virtual void EndAuthenticateAsClient(
	IAsyncResult asyncResult
)

Parameters

asyncResult
Type: System.IAsyncResult

An IAsyncResult instance returned by a call to BeginAuthenticateAsClient.

ExceptionCondition
ArgumentNullException

asyncResult is null.

ArgumentException

asyncResult was not created by a call to BeginAuthenticateAsClient.

AuthenticationException

The authentication failed. You can use this object to retry the authentication.

InvalidCredentialException

The authentication failed. You can use this object to retry the authentication.

InvalidOperationException

There is no pending client authentication to complete.

If the operation has not completed, this method blocks until it does. When the authentication succeeds, you must check the IsEncrypted and IsSigned properties to determine what security services are used by the NegotiateStream. Check the IsMutuallyAuthenticated property to determine whether mutual authentication occurred.

If the authentication fails, you receive an AuthenticationException or an InvalidCredentialException. In this case, you can retry the authentication with a different credential.

To perform this operation synchronously, use one of the AuthenticateAsClient method.

.NET Framework

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

.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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