http://blogs.msdn.com/mhpta/archive/2007/08/01/microsoft-solution-for-hosted-messaging-and-collaboration-version-4-0-migration-kit.aspxFor all of the Service providers and Hosting Providers that have deployed HMC 3.5 and are waiting for guidance on how to migrate to HMC 4.0, the migration kit was released on July 31 st . The migration kit provides guidance on 2 migration scenarios, Side-by-SideenCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/mhpta/archive/2007/08/01/microsoft-solution-for-hosted-messaging-and-collaboration-version-4-0-migration-kit.aspx#4501044Wed, 22 Aug 2007 03:14:53 GMT91d46819-8472-40ad-a661-2c78acb4018c:4501044Exchange Hosting Blog » Blog Archive » What???s new in HMC 4.0 Migration Toolkit? <p>PingBack from <a rel="nofollow" target="_new" href="http://blogs.msexchange.org/exchangehosting/2007/08/21/what%e2%80%99s-new-in-hmc-40-migration-toolkit/">http://blogs.msexchange.org/exchangehosting/2007/08/21/what%e2%80%99s-new-in-hmc-40-migration-toolkit/</a></p>