Trying to follow WCF delegation example on MSDN but keep getting "impersonation level" exception -


An example of the title below the bottom () of this article shows how to use the delegation. Where MSDN shows an example of how to perform the delegation I have tried to take this example and applied it to my code. In my case, I have Client App (WCFT Client), a Middle Service and Back End Service. Its goal is that the client has executed a WCF highlight method on mid service, which, in turn, calls another method on the previous service. I am trying to get the identity of execution on both the central service and back end service of the client executing the client:

Client ----> Central Services ----> Back End Service .

The exception to the "ChannelPaper policy" invoval is:

The file or the assembly could not be loaded, System.Transactions, Version = 2.0. 0.0, culture = neutral, public token = B77A5C 561934E09 'or one of its dependencies, either an essential cloning level was not provided, or the impersonation level provided is invalid. (Exception from HRESULT: 0x80070542)

This is my code, taken most directly from the example. channelFactory.Credentials.Windows.AllowedImpersonationLevel = TokenImersonationLevel.Delegation;
But to make no impact I have a line that is different from the MSDN example. Public Operation Policy (String Request Request, String Policy Name, Ulaga Version) {WindowsIdentity callerWindowsIdentity = ServiceSecurityContext.Current.WindowsIdentity; If (callerWindowsIdentity == faucet) {new invalid operation expiration ("The caller can not be mapped to a Windows identity."); } {CallerWindowsIdentity.Impersonate ()) using {NetTcpBinding binding = new NetTcpBinding (); Binding. Security Mode = security mode. message; Uri uri = new Uri (string.format ("net.tcp: // {}: {1} / app", "10.192.12.159", 8080)); EndpointAditor BackendServicesEdress = New EndpointEdress (Yuri); ChannelFactory & LT; Services & gt; ChannelFactory = New ChannelFactory & lt; Services & gt; (Binding, backenderserveadder); ChannelFactory.Credentials.Windows.AllowedImpersonationLevel = Token performance level Delegation; Service channel = channelFactory.CreateChannel (); Channel. Prepare Policy ("Alcadjof", Policy Name, Version); }}

I was using WCFTestClient as my client in this scenario It was not able to allow the delegation I wrote my own client and enabled it for the delegation and everything worked fine.


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