>>> This is not a guess on my part but information I learned from the VFP developers. <<
>
>I wasn't doubting you, just saying the semaphore location is not the reason for the 2 GB limit, just code which assumes a 2 GB limit. See the difference?
>
Mike,

More than that it is also the desire to have previous versions of the product respect the locks of subsequent versions of the product. It owuld not be too hard to change the offset for locks but once done all previous versions of Fox would no longer be able to detect the locks of the new version.