It could be permissions problem. The account your web service is running under may not have sufficient rights on the folder where STRTOFILE() writes to.

>
>I am testing using a web service created in VFP9.
>
>I've installed it on my local IIS.
>
>It seems to work ok . I return a result string ok.
>
>But in the service I try using strtofile to log information . The file doesn't get created.
>
>