AuthenticationLevel Enumeration

Describes the authentication level to be used to connect to WMI. This is used for the COM connection to WMI.

Namespace: System.Management
Assembly: System.Management (in

public enum AuthenticationLevel
public enum AuthenticationLevel
public enum AuthenticationLevel

 Member nameDescription
CallCall-level COM authentication. 
ConnectConnect-level COM authentication. 
DefaultThe default COM authentication level. WMI uses the default Windows Authentication setting. 
NoneNo COM authentication. 
PacketPacket-level COM authentication. 
PacketIntegrityPacket Integrity-level COM authentication. 
PacketPrivacyPacket Privacy-level COM authentication. 
UnchangedAuthentication level should remain as it was before. 

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, 1.1, 1.0

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