12. The method of claim 11 , wherein executing the one or more logical tasks comprises: executing a change global settings task to set one or more global settings of the cluster of application server instances.
12. The method of claim 11 , wherein executing the one or more logical tasks comprises: executing a change global settings task to set one or more global settings of the cluster of application server instances. 13. The method of claim 12 , wherein the one or more global settings include at least one of: a message server port number of a message service of the central services instance of the cluster of application server instances, a message server host of the message service, and a Uniform Resource Locator of the central database of the cluster of application server instances.