You can only reboot the node that you are currently using.

1. Log into the Cryptographic Security Platform Compliance Manager webGUI with your standard account credentials.
2. In the top right, click the Switch to Appliance Management link.
3. In the top menu bar, click Cluster.

4. Click the Servers tab.

5. Select Actions > System Reboot.

6. Click Proceed to acknowledge the warning message.