<?xml version="1.0" encoding="utf-8"?>
    <soap:Envelope
      xmlns:soap="http://schemas
        .xmlsoap.org/soap/envelope/"     
      xmlns:xsi="http://www.w3.org/
        2001/XMLSchema-instance" 
      xmlns:xsd="http://www.w3.org/
        2001/XMLSchema">
    <soap:Body>
      <Discover xmlns="urn:schemas
        microsoft-com:xml-analysis">
<RequestType>DISCOVER_
          DATASOURCES</RequestType>
      <Restrictions/>
        <Properties/>
      </Discover>
    </soap:Body>
    </soap:Envelope>