Applies to: Exchange Server 2007 SP3, Exchange Server 2007 SP2, Exchange Server 2007 SP1, Exchange Server 2007
Topic Last Modified: 2007-10-30

Uninstalling a clustered mailbox server (CMS) involves removing the CMS, removing the Microsoft Exchange Server 2007 installation from each node in the cluster, and then optionally, decommissioning the cluster that hosted the CMS.

You can uninstall a CMS from either environment by using the command-line interface ( or the Exchange Server 2007 SP1 Setup wizard (Setup.exe). The process for uninstalling a CMS in a cluster continuous replication (CCR) environment is similar to uninstalling a CMS in a single copy cluster (SCC). However, there are special considerations for SCCs that contain more than one CMS:

You can use the instructions in the following topics to remove a CMS from a CCR environment or from an SCC, and to decommission the failover cluster: