Pech,

It looks like you have two things going on here..

Maybe a couple of Microsoft "Q" Articles to get you started:

Login Script -
A Logon Script Does Not Work If %0 or %0\..\ Calls Multiple Commands

Time Server Setup/Info -
How to Configure an Authoritative  Time Server in Windows 2000 (Q216734)

How Machines Determine the  Time Source  Server Using NET  TIME (Q156460)

"Could Not Locate a  Time Server" After Setting SNTP  Time Server Using NET  TIME Command (Q243574)

HTH,

Kent
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