oplock tests - interesting!

[tridge at linuxcare.com]

> HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\
> LanmanServer\Parameters\EnableOplockForceClose

that registry entry does not exist on my NT4SP4 box.

> By default this is set to 1. This has the following
> effect : "This value (1) will force closed the open 
> instance of the client that has the oplock, risking
> the loss of cached data".
> 
> Setting this to 0 will fail the second open.

what service pack do you see this registry entry on?