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Greetings,
today before I start working on my application I updated my WinXP. After all updates have been installed my WCF service stop working. There is a following error when I try to open service.svc file in the browser:
Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: An error occurred creating the configuration section handler for system.serviceModel/bindings: Could not load type 'System.Security.Authentication.ExtendedProtection.Configuration.ExtendedProtectionPolicyElement' from assembly 'System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.
Source Error:
Line 131: </behaviors>
Line 132:
Line 133: <bindings>
Line 134: <wsHttpBinding>
Line 135: <binding name="MyWSHttpBinding" maxReceivedMessageSize="2147483647">
The colleague of mine tried to run the same service before update and it works fine. He has the same problem after installing updates. Can someone please help me?
931
The Entity Data Model for a WCF Data Services sometimes changes. When this happens, you must update the service reference. To update a service reference In Solution Explorer, right-click the service reference and then click Update Service Reference.
In Solution Explorer, right-click the name of the project to which you want to add the service, and then click Add Service Reference. The Add Service Reference dialog box appears. Click Discover. All services (both WCF Data Services and WCF services) in the current solution are added to the Services list.
The WCF tools are not installed with the .NET workload; use the Visual Studio Installer to modify your installation. In the installer, choose Windows Communication Foundation under Individual Components.
The Configure WCF Web Service Reference dialog appears. In the URI box, enter the URL for the service, and then click Go to search for the service. If the service implements user name and password security, you may be prompted for a user name and password. You should only reference services from a trusted source.
So far, the problem indeed seems to come from the update KB982168 and only on 2003 servers. Microsoft support suspects a bug in the HttpTransportSecurity constructor that tries to instantiate a ExtendedProtectionPolicy object, but this class does not exist in system.dll on a 2003 server (or XP machines) (you can check with reflector). And it is indeed present on the DLL on a 2008 or Vista and above. If the problem is confirmed, I think there will be a hot fix released very soon. Meanwhile it is recommended to not install the update. I'll keep you informed.
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