Hi Moo ,
In my case i have deactivated the virus scan profile activation on ODATA . Because client was not ready to buy anti virus software for SAP according to these notes : 1494278 / 817623 .
We can deactivate the virus profile using Tcode : /IWFND/VIRUS_SCAN .
Please try and let me know in case any concern .
Regards,
Dharmesh