MACROMEDIA COLDFUSION 4.5-ADMINISTRING COLDFUSION SERVER Manual page 279

Chapter 6: Creating Scalable and Highly Available Web Sites
6. Click the Administration link.
The Server Administration page appears for the selected server.
7. Select Active or Passive from the State drop-down box and click OK.
If you selected Passive, the ClusterCATS load balancing and failover capabilities
are now disabled for the selected server. If you selected Active, ClusterCATS will
now actively monitor and load balance HTTP requests across the cluster.
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