how to edit Alarm in VMware VCenter
Change Alarm Attributes You can rename alarms and change alarm triggers, reporting, and actions.
Required privilege: Alarm.Modify Alarm Procedure
1 Display the object in the inventory on which the alarm is defined.
2 Select the object and click the Alarms tab.
3 Click Definitions.
The Defined in column lists the object on which the alarm is defined. If the value is not This object, click the object name. The alarms list for the object opens in the Alarms tab.
4 Double-click the alarm to open the Alarm Settings dialog box.
5 Edit the alarm general settings, triggers, reporting, or actions, as needed.
For help on how to configure the values on each tab, click Help.
6 Click OK.
vCenter Server verifies the configuration of the alarm and updates the alarm for the selected object.