Microsoft.ServiceModel.Samples stopped working in a .exe host

I just started exploring the WCF and love it so far but for the past 6-7
hours got stuck with this problem: my service and going back to the MSDN
samples hosted in an .exe stopped working. The services starts with no
exceptions but I cannot connect to it - the browser and svcutil cannot find
it and sure enough netstat does not show anything listening on my port. It
used to work. I ran netsh to enable the ports, etc. - no luck. Here is my
app.config:


Code Snippet
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<system.serviceModel>
<services>
<service behaviorConfiguration="CalculatorServiceBehaviorDebug"
name="Microsoft.ServiceModel.Samples.CalculatorService">
<endpoint address=""
binding="wsHttpBinding"
bindingConfiguration=""
contract="Microsoft.ServiceModel.Samples.ICalculator" />
<endpoint address="mex"
binding="mexHttpBinding"
contract="IMetadataExchange" />
<host>
<baseAddresses>
<add
baseAddress="http://localhost:8910/ServiceModelSamples/service" />
</baseAddresses>
</host>
</service>
</services>
<!--For debugging purposes set the includeExceptionDetailInFaults
attribute to true-->
<behaviors>
<serviceBehaviors>
<behavior name="CalculatorServiceBehavior">
<serviceMetadata httpGetEnabled="True"/>
<serviceDebug includeExceptionDetailInFaults="False" />
</behavior>
<behavior name="CalculatorServiceBehaviorDebug">
<serviceMetadata httpGetEnabled="True"/>
<serviceDebug includeExceptionDetailInFaults="True" />
</behavior>
</serviceBehaviors>
</behaviors>
</system.serviceModel>
</configuration>


And here is part of the output from netsh:



Code Snippet
Reserved URL : http://+:8910/
User: VTMELAMED\Valo
Listen: Yes
Delegate: No
SDDL: DA;;GX;;;S-1-5-...)

Reserved URL : http://+:8910/ServiceModelSamples/
User: VTMELAMED\Valo
Listen: Yes
Delegate: No
SDDL: DA;;GX;;;S-1-5-...)



My understanding is that the second entry would be unnecessary but I did it
anyway...



Can you please help?



Thank you

Val