Gavin,

Take a look at Re: Memory manager, how much memory Message #882003 or you can upgrade to VFP9 where the problem with too much memory has been fixed.

>Has anyone experienced a "Not enough memory for file map" when rebuilding indexes in VFP6.0?
>
>I'm working on an application written in Visual Promatrix 6.0b and sometimes users are reporting a "Not enough memory for file map" error when performing a reindex on a large table (4millions records and 1.5gb).
>
>I've read about using SYS(1104) and SYS(3050) and was wondering if anyone has used either of these to solve the problem.
>
>I sometimes also see the error when running a FoxFire! report against a large dataset.
>

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