SAP afaria relay server connectivity issue

Hi,

While configuring relay server for SAP afaria I am getting the following error on Afaria_RSOE logs on the afaria server:

Successfully connected to backend server: 172.xx.xx.xx:xxxx

I. 2015-12-23 12:57:08. <OEHost> Mac address: 52-54-00-16-37-ba!!

E. 2015-12-23 12:57:08. <OEHost> Received an unexpected HTTP error from the web server:HTTP/1.1 404 Not Found

                        Content-Type: text/html

                        Server: Microsoft-IIS/7.5

                        Date: Wed, 23 Dec 2015 07:29:00 GMT

                        Content-Length: 1245

E. 2015-12-23 12:57:08. <OEHost> doHTTPRequest: read reply failed

Please help