http://blogs.technet.com/industry_insiders/pages/w32-tm-service.aspxNathan Winters Introduction In the last few days this issue of time sync in Windows domains has come up a few times both at work and on the Minasi forum of which I am a member . Each time there has been confusion as to exactly how time sync occurs inen-GBCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/industry_insiders/pages/w32-tm-service.aspx#452848Wed, 30 Aug 2006 19:36:40 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:452848The Industry InsidersNathan has put together a comprehensive and technical article explaining how the Windows Time service...http://blogs.technet.com/industry_insiders/pages/w32-tm-service.aspx#506436Tue, 07 Nov 2006 19:00:08 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:506436Jeremy <p>You mention setting the announceflags to 5. &nbsp; Every technet reference utilizes only even numbers to designate time servers or reliable time sources. &nbsp; What does the 5 signify, I cannot find any reference to it other the documents that step through the config.</p>