net time \\<servername> /set /y
Should do the trick nicely.

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Richard G. Harper [MVP Shell/User] rgharper@gmail.com
* In fond memory ... Alex, you shall be sorely missed
* http://www.aumha.org/alex.htm
>I have a Windows 2000 Server configured to do time sync with an external
> source (net time /setsntp:IP_SNTP_SERVER
>
> How can i do a sync on WIndows 98 and ME Machines?
> The net time command will not work, correct?