http://blogs.technet.com/robse/archive/2009/01/12/exchange-kbs-for-december-2008.aspx(yes this is a late posting) When you replicate public folders to a computer that is running Exchange Server 2003, the nonpaged pool leaks memory (960908) - Describes an issue in Exchange Server 2003 in which the nonpaged pool leaks memory when you replicateen-USCommunityServer 2.1 SP1 (Build: 61025.2)