EXCEPTION with IIS 7.5 with Webservice built on .net 2.0

i have webservice that is using .net 2.0 server 2003 32 bit when i host it under iis 6 with basic and intergated auth enabled it works great. but when i host the same service under IIS 7.5 server 2008 64bitwith intergated app pool running with apppool identity with basic and windwos auth enabled. i have 32bit support enabled on the app pool i get follwoing error below

  <soap:Body>
      <soap:Fault>
         <soap:Code>
            <soap:Value>soap:MustUnderstand</soap:Value>
         </soap:Code>
         <soap:Reason>
            <soap:Text

xml:lang="en">System.Web.Services.Protocols.SoapHeaderException: SOAP header Security was not understood. at System.Web.Services.Protocols.SoapHeaderHandling.SetHeaderMembers(SoapHeaderCollection headers, Object target, SoapHeaderMapping[] mappings, SoapHeaderDirection direction, Boolean client) at System.Web.Services.Proto开发者_开发百科cols.SoapServerProtocol.CreateServerInstance() at System.Web.Services.Protocols.WebServiceHandler.Invoke() at System.Web.Services.Protocols.WebServiceHandler.CoreProcessRequest()

Maybe you don't have all the software installed to run the code? Like WSE 3?

Or is it a default web service you are running?

Cerveser