>Hi Tim,
>
>I will try stepping through the MM code then and attempt to identify the issue. The PKMOBWORKORDR field is infact a GUID. Why? Is there a known issue with GUIDS in this area?
>
>Thanks,
>Ian

Is your web service via WCF or a standard mm Web Service? I don't know if guids are a problem in your case, but replied off line regarding that.
Tim