The cluster must be
configured before installing the Clustered Mailbox Server (CMS). The CMS is analogous to the Exchange
Virtual Server (EVS) in Exchange 2003.
The steps to installing a CCR cluster are:
1. Create the cluster service account
2. Install Windows 2003 R2 SP2 and requirements
3. Create the cluster
4. Create and assign the file share witness
5. Configure the cluster heartbeat
6. Configure the network interfaces
7. Create the Clustered Mailbox Server Active Directory Object
8. Install the Mailbox server role on the primary node
9. Install the Mailbox server role on the secondary node
You can find complete non - scripting based instructions for installing Clustering Continuous
Replication at http://technet.microsoft.com/en - us/library/aa997144.aspx or in the
Exchange Server 2007 help file.
Creating the Cluster Service Account
The service account for the cluster service needs to be a member of the domain. If the installation of the
cluster is done by an administrator that is not the service account, the service account will be added to
the local administrators group on each node during the installation process. Using this PowerShell script
creates a new Organizational Unit (OU) in the Exchangeexchange domain, and creates a new user
within that OU and sets his or her password to neverexpire .
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