From the Windows task bar on an N4 host, click the Server Manager button 
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You must start the N4 Cluster nodes before you start the Center node, the Standby Center node, the Bridge daemon, and XPS. These instructions are the same for all N4 nodes and Navis hosts.
To start an N4 node:
From the Windows task bar on an N4 host, click the Server Manager button .
In the Server Manager, under Configuration in the left frame, select Services. The installed services display in the right frame.
In the list of installed services, find the Navis service, and right click.
From the drop-down list that appears, select Start.
A progress bar appears. When the Status column says Running, the N4 node is running.