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ImpersonationLevel Enumeration

Describes the impersonation level to be used to connect to WMI.

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

public enum ImpersonationLevel

Member nameDescription
AnonymousAnonymous COM impersonation level that hides the identity of the caller. Calls to WMI may fail with this impersonation level.
DefaultDefault impersonation.
DelegateDelegate-level COM impersonation level that allows objects to permit other objects to use the credentials of the caller. This level, which will work with WMI calls but may constitute an unnecessary security risk, is supported only under Windows 2000.
IdentifyIdentify-level COM impersonation level that allows objects to query the credentials of the caller. Calls to WMI may fail with this impersonation level.
ImpersonateImpersonate-level COM impersonation level that allows objects to use the credentials of the caller. This is the recommended impersonation level for WMI calls.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.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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