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238Hi,
Were using a WIndows service which establishes a WCF connection to CRM. It worked well in 2015, but i cant get it to work in 2016 (performed an in-place upgrade). Nothing else was changed other than the upgrade. Something tells me that its the AppPool credentials/identity of the WCF site that may need to be adjusted. I tried an Admin AD user (which has permissions to CRM), and NetworkService. No luck. The AppPool for the CRM site itself (CRMAppPool) is running as NetworkService (Classic).
It throws the following error:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ServiceModel.Security.SecurityNegotiationException: The caller was not authenticated by the service. ---> System.ServiceModel.FaultException: The request for security token could not be satisfied because authentication failed.
Below is a copy of the web.config:
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appSettings />
<system.web>
<compilation debug="true" targetFramework="4.0" />
<httpRuntime maxRequestLength="102400" executionTimeout="3600" />
</system.web>
<system.serviceModel>
<serviceHostingEnvironment multipleSiteBindingsEnabled="true">
</serviceHostingEnvironment>
<bindings>
<basicHttpBinding>
<binding name="basicHttpBindingConfiguration">
<security mode="Transport">
<transport clientCredentialType="None" proxyCredentialType="None"/>
</security>
</binding>
</basicHttpBinding>
</bindings>
<services>
<service name="MobiTrans.WcfService.MobiTransWCFService">
<endpoint address="" binding="basicHttpBinding" bindingConfiguration="basicHttpBindingConfiguration" contract="MobiTrans.WcfService.IMobiTransWCFService"/>
</service>
</services>
<behaviors>
<serviceBehaviors>
<behavior>
<!-- To avoid disclosing metadata information,
set the values below to false before deployment -->
<serviceMetadata httpGetEnabled="True" httpsGetEnabled="True" />
<!-- To receive exception details in faults for debugging purposes,
set the value below to true. Set to false before deployment
to avoid disclosing exception information -->
<serviceDebug httpHelpPageEnabled="true" includeExceptionDetailInFaults="true" />
</behavior>
</serviceBehaviors>
</behaviors>
</system.serviceModel>
<system.webServer>
<modules runAllManagedModulesForAllRequests="true"/>
<!--
To browse web app root directory during debugging, set the value below to true.
Set to false before deployment to avoid disclosing web app folder information.
-->
<directoryBrowse enabled="false" />
</system.webServer>
</configuration>
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