Tim could probably expand on this, but based on a little light reading on a Friday Night you could respond like this: Your applications utilizes critical sections and you don't want wait 30 days for the system to resolve deadlocks. or The value of the CriticalSectionTimeout is not used unless the value is equal to or under 3600 (1 hour) secs. Joe On Dec 7, 2007 5:33 PM, Andrew Wood <andrew.wood@xxxxxxxxxxxxxxxx> wrote: > Got asked this today: > > "Have you ever changed, or had a reason to change or know of a reason why > you would change HKLM\System\CurrentControlSet\Control\Session > Manager\CriticalSectionTimeout" from it's default value of 30 days?" > > And the only answer I could come up with was 'code that doesn't handle > deadlocks properly' – anyone else got a bright idea? > > Tia. > > Andrew > > Gilwood CS Ltd > > Registered Office : 197 Leechmere Road, Sunderland, UK, SR2 9DL. No. > 6099397 England > >