Currently you can't log stats through Silverlight because the service doesn't serve up the clientaccesspolicy.xml file. <?xml version="1.0" encoding="utf-8"?> <access-policy> <cross-domain-access> <policy> <allow-from http-request-headers="SOAPAction"> <domain uri="http://*"/> <domain uri="https://*" /> </allow-from> <grant-to> <resource include-subpaths="true" path="/"/> </grant-to> </policy> </cross-domain-access> </access-policy>