The default Nexus could not be created on <hostname> (4262214)

Unable to create a default Nexus and the following is found in the Foglight Management Server (FMS) log file:

2013-09-03 10:25:48.941 WARN    [Deploy Default Nexus] com.quest.pas.nexus.cartridge.internal.DeployDefaultNexus - The default Nexus could not be created on <hostname> due to the following error: java.util.concurrent.ExecutionException: com.quest.nitro.service.sl.interfaces.agent.RemoteAgentManagementService$InstallationException: ApplicationServers-Nexus (5.9.2) requires a minimum agent manager version of 5.6.7.2. The current version running on this host is 5.6.7. Deployment of ApplicationServers-Nexus (5.9.2) has been cancelled

Upgrade the Foglight Agent Manager (FglAM) residing on the host mentioned in the error to the minimum required version:

Administration | Agents | Agent Hosts | Select <hostname> | Click Upgrade.  

Once FglAM is upgraded, install the Nexus.  From the Foglight web console, go to Application Servers | Administration | Application Servers Administration | Nexus Administration | Create Nexus | Choose the host.