The next configuration is the Maintenance Policy selection. If no preconfigured policy is selected, the default policy is used, which is configured for immediate reboot after any change. Options for a maintenance policy are to select an existing maintenance policy or create a new one by clicking on the + sign. For production environments, it is strongly recommended to create a maintenance policy with the user acknowledge setting. With this maintenance policy, UCS Manager prompts a user to acknowledge the reboot. Hence, the server can be easily scheduled for a reboot during the planned maintenance window. In this example, we are using an existing maintenance policy which has the user acknowledge setting. At the bottom of the screen, the maintenance policy configuration is displayed, which in this example is User Ack: