>If you decide to use 'sa' login you'll have to supply correct password. BTW, I couldn't get linked server to VFP tables over VFP OLE DB provider to work under trusted connection. It maybe a bug in VFP OLE DB provider though.

Well, I've seen that Microsoft offer several versions of such driver. When I had to specific which one I wanted to use, it took me a while to figure out which one was the best to use.