SmartObjectServices and 401 Unauthorized error

Hi,

When I'im trying to call SmartObjectServices method I've got 401 Unauthorized error.

My smo config is:

  <smoServices enableEndpoints="true" enableEvents="true" enableCrossDomainPolicy="false" specialCharacterReplacement="_" scheme="http" server="serverName" port="8888" serviceRoot="SmartObjectServices">
    <wcf binding="wsHttpBinding" bindingConfiguration="wsHttpBinding+Windows" />
    <rest binding="webHttpBinding" bindingConfiguration="webHttpBinding+Windows" />
    <managedEndpoints>
      <static>
        <endpoints />
      </static>
      <excluded all="false" />
    </managedEndpoints>
  </smoServices>  

Do any of you have ideas what's the reason?

Regards,

arnam