Windows

You have to synchronize the time on both machines. Both machines must be within a few minutes of each other (I think the maximum is 3 or 5 minutes variance allowed), once they are talking you can set the workstations up to synchronise off the servertime. You can use your watch to set up one machine and then race to the other and do the same, they should be close enough to link.

With difficult cases I make sure of the time by accessing the Internet and get the time off the default MS time server. Where I am not sure of the local arrangements I usually do this via my own dial-up account by temporarily setting it up on each machine in turn and using my external modem, after the time is reset by the system I delete the account and modem.

Forgot to add you set the time by going to the control panel >> date time and set the time there,
or click on the time showing at the bottom left of then screen to open the window to set the time and date. BTW make sure the dates are the same as well.

In my oppinion you should check the user machine to see if he has not problems with the BIOS battery. Any computer with 2000 Pro which is a part of a domain sincronize it's date and time at the right moment when it logs on the domain. Running from one to another it's not that good ideea :)).

Are you sure that the machines are actually talking to each other? The time on the workstation should synchronize with the server when a client logs in. You might need to setup/configure the time service...I think it is called W32Time. You might want to read the MS knowledge base about that. In any event, check the server's Event Log for errors.

Try setting a simple script that will execute when you go to log into the workstation which will synchronize the workstation time to the server time. the command is "NET TIME /SET" - there may be other variables to use in the command line, but that is the premise of it. And it won't matter what time your local workstation is set to - it will always reset itself to the server time when the workstation logs in.