http://blogs.technet.com/b/industry_insiders/archive/2006/08/30/w32-time-service.aspxNathan has put together a comprehensive and technical article explaining how the Windows Time service works and how the time on desktop machines are synchronised with the server. There are some useful best practices that you need to consider, tips asen-GBTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)