> I have a user that gets locked out frequently; he uses VPN and remote desktop
> to access his PC here at the office. The lockouts are sporadic, I have
> checked the event viewer under security and it shows an event ID of 539. I am
> having trouble pinpointing the cause of the lockout. Our lockout policy is
> set to lock out after 5 failed attempts, and I am confident he is entering
> his username and password correctly because he is able to log onto the
> network, but once he is logged on and working he gets locked out. It doesn’t
> happen all the time, it is sporadic, it could happen 3 times in one day and
> then go for a couple weeks until it happens again. Any Ideas or suggestions
> would be appreciated.
>
> FYI - We also have other users that use VPN and remote desktop but they
> don’t have the problem.