Hello, I am in the process of upgrading an Exchange 2000 cluster to Exchange 2003. I have a couple of questions/ideas. Is it possible to evict one of my cluster nodes and then do a clean install of Windows 2003 and then re-add the new Windows 2003 node back to the cluster, and at that point install and configure Exchange 2003 to on the new node and then proceed with a rolling upgrade of the Exchange Virtual servers by moving them to this new node. I realize I could simply upgrade to Exchange 2003 with out the eviction and re-install of Windows 2003 but I would prefer a clean OS install rather than an upgrade after the Exchange 2003 upgrade. I ask because during the upgrade of my Front-End servers I ran into some problems which ultimately required a full re-install. As a rule a prefer clean installs to upgrades except when absolutely necessary. The other option I am considering is moving all of my user mailboxes to another server re-building the cluster from scratch and then moving the mailboxes back. This also has advantages. Opinions appreciated. Thanks Bill