TO be exact it in IIS web site or Virtual Directory ASP.NET tab, Edit Config button, Application tab.
You need to enter a local impersonation.
Thank you Michel.
>
>Check in IIS, under the Web site properties, under the ASP.NET panel for the Local impersonation.

>>In development I use the new http://localhost:3509 provided by VS2005 to test my Web Services. When I test me web service for a method that insert record into a .DBF I have no problem.
>>
>>Then I want to test the method via a local web site created on my laptop. When I do that I get this message.
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>>Cannot update update cursor since it is read-only
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>>My connection string and .DBF have not change. Is there a setting I need to do in IIS or ASP.NET?