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Editorial Team
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Asked: 2026-06-16T10:33:05+00:00

I have ran into this issue the past few weeks ago and I still

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I have ran into this issue the past few weeks ago and I still can not figure out why.

I have a BizTalk orchestration that receives a BizTalk message, processes it and eventually writes it to a file. For simplicity sake, let say, our goal is to take the message (which is actually a survey) and save it to a folder as is. I have created a public receive port to catch the msg and a send port to write the result out to disk.

I have successfully deployed the project and have successfully published it to IIS. I was able to see the WCF service in IIS and have set it to use Framework 4.0. I have set up all the relevant receive and send ports and have started the application successfully from BizTalk management console. (The receive location was automatically created when I published the wcf service, the send location is a type FILE located in a folder in the computer)

From DefaultSite in IIS, I could see my WCF. However, when I tried http://localhost/TestSurvey/TestSurvey_Orchestration_1_getSurveyPort.svc,
I got the following error:

Server Error in '/TestSurvey' Application.
--------------------------------------------------------------------------------

Login failed for user 'Domain\ComputerName$'. 
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 

Exception Details: System.Data.SqlClient.SqlException: Login failed for user 'ACAD1\DENBIZDEV$'.

Source Error: 

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.  

Stack Trace: 


[SqlException (0x80131904): Login failed for user 'Domain\ComputeName$'.]

[TargetInvocationException: Exception has been thrown by the target of an invocation.]
   Microsoft.BizTalk.TransportProxy.Interop.IBTTransportProxy.RegisterIsolatedReceiver(String url, IBTTransportConfig callback) +0
   Microsoft.BizTalk.Adapter.Wcf.Runtime.WcfIsolatedReceiver`2.RegisterIsolatedReceiver(Uri uri) +1028
   Microsoft.BizTalk.Adapter.Wcf.Runtime.WebServiceHostFactory`3.CreateServiceHost(String constructorString, Uri[] baseAddresses) +363
   System.ServiceModel.HostingManager.CreateService(String normalizedVirtualPath) +1413
   System.ServiceModel.HostingManager.ActivateService(String normalizedVirtualPath) +50
   System.ServiceModel.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath) +1172

[ServiceActivationException: The service '/TestSurvey/TestSurvey_Orchestration_1_getSurveyPort.svc' cannot be activated due to an exception during compilation.  The exception message is: Exception has been thrown by the target of an invocation..]
   System.Runtime.AsyncResult.End(IAsyncResult result) +901424
   System.ServiceModel.Activation.HostedHttpRequestAsyncResult.End(IAsyncResult result) +178638
   System.Web.AsyncEventExecutionStep.OnAsyncEventCompletion(IAsyncResult ar) +107

--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.272

My question is: what is it that BizTalk was trying to login? Domain\ComputerName$ is definitely not a user. I have not tried to access any database from the orchestration. I believe my IIS was set up correctly as I have created a quick and dirty wcf service test from VS2010 and published it to my IIS, then have successfully created a simple client to consume the wcf service test. I did not encounter the same issue when I created the wcf service test directly.

Any help or hint is highly appreciated!

EDIT

I managed to fix this: it was not the web config as it was created by BizTalk. I had to create a special app pool and tied my application to using it. In the app pool I have to use the custom credential that BizTalk is using. Using the built in credentials caused the issue I experienced. My rookie error! Once BizTalk login credential was used, everything went smoothly.

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1 Answer

  1. Editorial Team

    The database which is throwing the SQL exception is one of the BizTalk databases, probably the management or SSO DB.

    The error is almost certainly being caused by the setup of IIS, whether the app pool identity or the web site security settings.

    What is hapenning is that when you call the service for the first time IIS is compiling your service, and to do this it obviously needs access to one of the BizTalk databases, but this call is not authenticated for some reason.

    This could be because the app pool user must be a member of the BizTalk Isolated Host Users group (which may be called something different depending on how BizTalk was set up.

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