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AuthenticationOption Enumeration

Specifies the remote procedure call (RPC) authentication mechanism. Applicable only when the ActivationOption is set to Server.

Namespace:  System.EnterpriseServices
Assembly:  System.EnterpriseServices (in System.EnterpriseServices.dll)

public enum AuthenticationOption

Member nameDescription
DefaultUses the default authentication level for the specified authentication service. In COM+, this setting is provided by the DefaultAuthenticationLevel property in the LocalComputer collection.
NoneAuthentication does not occur.
ConnectAuthenticates credentials only when the connection is made.
CallAuthenticates credentials at the beginning of every call.
PacketAuthenticates credentials and verifies that all call data is received.
IntegrityAuthenticates credentials and verifies that no call data has been modified in transit.
PrivacyAuthenticates credentials and encrypts the packet, including the data and the sender's identity and signature.

The following code example demonstrates the use of this enumeration in conjunction with the ApplicationAccessControlAttribute attribute.

// Set component access controls.
[assembly: ApplicationAccessControl(Authentication=AuthenticationOption.Privacy,
// Set component access controls.
[assembly: ApplicationAccessControl(Authentication=AuthenticationOption::Privacy,

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.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0