Specifies the impersonation behavior for a service operation on a service instance.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
|Impersonation is not performed. If ImpersonateCallerForAllOperations is equal to true, a validation exception occurs at service startup time.|
|Impersonation is performed if credentials are available and ImpersonateCallerForAllOperations is equal to true.|
|Impersonation is required.|
Use the enumeration to control impersonation in Windows Communication Foundation (WCF) applications.
This setting interacts with a configuration property on ImpersonateCallerForAllOperations in the following table.
The following code example on the service shows how to have a method impersonate the caller by using the OperationBehaviorAttribute to set the impersonation level.
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.