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 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 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.