I installed AICCU a few days ago as a service under WINXP ( I know, but this is company standard, carved in stone etc. ) AICCU works perfectly well, but I constantly have to set my clock one or two minutes ahead of the time I get from the NTP servers time.windows.com and time.nist.gov, otherwise the connection is refused due to more then 120 seconds out of sync. Timezone is set correctly. Anybody have a clue ? or a time server that works better ? Thanks !!