Verify that you have completed the following tasks before starting the installation.
Make sure that your hardware and software meet the minimum requirements. For more information, see Section 1.1, System Requirements and Supported Platforms.
Synchronize time by using the Network Time Protocol (NTP).
A Correlation Engine requires network connectivity to the message bus port (61616) on the Sentinel server. Before you start installing the Correlation Engine, make sure that all firewall and network settings are allowed to communicate over this port.