>Heelo, All!
>Can someone please explain these results:
>
>1) Open two VFP 5.0 sessions on the same machine.
>2) SET EXCLUSIVE OFF, on both.
>3) USE MyTable (any FREE table), in both sessions (same table used).
>4) In one session, do an INDEX ON Expr TAG Expr - no problem.

This is your downfall. did the file have a .CDX originally? If you want to use and index on the fly, create a .IDX on the machine that is going to use it, then erase it. You can add tags the a file that is opened shared, since it will LOCK the file.

BOb