>>I honestly don't know.
>>But, on further reflection, I would make sure it is OFF no matter what!
>>
>>2 weeks ago I got a new PC (XP Pro SP2), and I forgot to turn write caching off. Within 5 hours, saving a WORD document, I got a message that 'some data was lost... blah blah blah'.
>>It was then that I remembered the write cache settings (3 HDs in system).
>>I immediately turned them all OFF and haven't had the problem since, having save dozens of word docs, run lots of VFP updating, etc.
>>
>>I personally think there's a problem in Windows when it comes to write caching... which also leads me to believe that there's a problem in its OPLOCKS mechanisms too.
>>
>>good luck
>
>Can someone remind me, where to check/change this setting in Windows XP?
>
>----
>
>Upgrade: I found it under the properties of an individual drive. (Hardware tab shows a list of drives; select a disk, click on "Properties", then on "Directives") (Translated from Spanish, so some texts may vary.)

It might be worth checking if your changes are preserved across system cold boots, IIRC W2K in some cases reverted back to write cache enabled, don't know if this was addressed in XP.