Here is a link for some OSs: http://www.enfile.com/windowsnetworks/writecachesetting.htm

I'll try and dig out the article that explains how to do this in NT4.

Jason

>>Naomi
>>
>>Have you tried switching off write back caching at the OS level?
>>We had a similar issue a couple of years back and that seemed to fix it for us.
>>
>>Jason
>>
>No, I haven't. Can you elaborate on this, please? I saw such suggestions while back here too.
>
>Thanks a lot in advance.