![](/images/backgrounds/285925/hp-van-sdn-controller-software-products-administrators-guide-66988621x1.png)
Screen component | Description |
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Origin | Indicates which component or application generated the alert. |
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Topic | Indicates of the category for this alert. Multiple origins can contribute alerts to the same |
| topic. |
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Controller ID | Identifies the controller that generated the alert. The controller is represented as a |
| hexadecimal number. When you use controller teaming, this ID enables you to identify |
| which controller in the team generated the alert. |
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To display a summary of up to 10 alerts ranked by severity (highest to lowest) and then by date and time (newest to oldest):
•In the top banner, click .
The Alerts as of today window is displayed.
To close the window, do one of the following:
•To close the window and display the Alerts screen, click All.
•At the bottom of the window, click the collapse icon ().
•In the top banner, click either the alert counter number or .
To acknowledge an alert from the Alerts as of today window:
1.Click the alert to select it.
2.Click Acknowledge.
The controller removes the alert from the Alerts as of today window, displays the alert in gray text on the Alerts screen, and decrements the alert notification counter by one.
To acknowledge an alert from the Alerts screen:
1.Click the alert to select it.
2.Click Acknowledge.
The controller displays the alert in gray text on the Alerts screen, and decrements the alert notification counter by one.
3.5.7 Deleting an alertYou can acknowledge an individual alert, but you can not clear or delete the alert.
The controller deletes alerts according to the configured alert
1.From the Configurations screen, under Component, select the com.hp.sdn.adm.alert.impl.AlertManager component.
2.Click Modify.
The Modify Configuration dialog box appears.
3.Change the values for the keys. For more information about the keys and values that affect the alert policy, see “About alert policies” (page 19).
4.Click Apply .
3.5 Alerts screen 21