Failover Cluster Installation and Configuration Guide, Windows Server 2008 SP2 and Windows Server 2008 R2 SP1

Installing the Cluster
To install and configure failover clustering, complete the following steps:
1. Right-click on My Computer and select Manage.
2. In the Server Manager window, select Features from the list and click on Add Features.
Figure 2-2 Server Manager window
3. In the Add Features Wizard window, select the following features:
• Failover Clustering
• Multipath IO (if you are planning to use MPIO, which is recommended)
20 Installing and Configuring the Cluster