If you stop Node Manager, the managed servers it started will also stop.

You may kill the Node Manager process by using operating system commands.

Use the stopNodeManager.sh script so Node Manager stops gracefully.

Using the administration console, select the appropriate machine and click Stop.

The administration server goes into ADMIN mode if it can no longer communicate with Node Manager.

The managed servers that Node Manager started go into ADMIN mode if they can no longer communicate with Node Manager.