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Wcf server error 400

In this case you need to make the IIS setting changes to NTLM in provider. Your service contract and service implementation don' t seem to match. The service contract defines a single string to be returned from GetColors( ) : [ ServiceContract] public interface ITestService { [ OperationContract] your config file you have not assigned the binding configuration you created, so the default values for BasicHttpBinding are being used. You need to explicitly assign the binding you defined. i' ve simply added a WCF service applicaton to my project. it has a predefined function like this: 1) The interface: [ ServiceContract] public interface IService1 { [ OperationContract] [ WebIn. I have a wcf method that always returns the error 400 - bac request. This is the interface:. Well I' ve forgot that call the WCF service using the proxy allows to pass only 1 object and in order to pass several string I solved it like order to get to the service contract via a web browser you will have to explicitly enable it in the service behavior:. I was able to fix the " 400 Bad Request" problem by switching my WCF service from running off of Visual. You are very close to the solution, but you are mixing the bindings. Your service is using basicHttpBinding, but you have set the size limits on webHttpBinding. Therefore: In your web. config for the service, replace.

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    Error server

    According my searches I should not provide an address. com/ en- us/ library/ aa751792( v= vs. You must always use relative endpoint addresses for IIS- hosted service endpoints. A database connection from a hosted WCF Service is considered a remote connection so make sure your connection strings specifies the authentication method. So try using Integrated Security= SSPI in your connection string. Can you try to inspect the request being sent to the server using tools like Fiddler. There must be something in the soap envelop that is causing the issue. Also try to send small data initially to make sure your service is.