Fuzzy memory here, but disabling oportunistic locking has been recommended at times to address database integrity issues. And this is not just VFP, but extends to other databases. Not allowing it to be disabled would seem dangerous . . .

>The following article: http://www.smallnetbuilder.com/content/view/30039/78/1/1/
>has the following statement:
>"To further complicate the issue, Microsoft introduced a new version of the SMB protocol—SMB2—in Vista, which does not allow oplocks to be disabled.".
>
>I must admit that I know NIL about the details regarding OPLOCKS, but it has always been a source of amazement to me that Microsoft persists in 'supporting' the concept given that any operational configuration can include anything from Win9x to Vista in various mixtures. I just don't see how they can feel comfortable that they've adequately tested all possible permutations and combinations.