>>I generally ***always*** remove oportunistic locking in problematic networks and/or workstations. With Novell this is quite easy ( just a line in the autoexec.ncf ) but with Windows it's quite a pain...
>
>I'm using Windows XP. Also is it relevant for local computer too? Because I'm running my tests locally on my C drive. Do you change only the first registry item or all of them listed in the article?

Yes, it can cause problems even as a workstation for local data. I just set OpLocksDisabled to 1 and EnableOpLocs to 0

Jaime