This guide will show you how to revert back to the default Alarm Priority list, by using the Enterprise Manager admin tools.
Delete existing Alarm Priority list
In the Enterprise Manager, under the Priority Events Management tab, you would have created your own list of prioritised alarms.
To revert back to the default list, simply delete your existing Alarm Priority list. Click the Bin icon against every alarm type until they have all been removed.
Once each alarm type has been removed from the Alarm Priority list, the table automatically revert back to the system default:
This takes you back to the beginning, where you can customise the Alarm Priority list to fit in with your business' monitoring needs. See the guide here on how to start customising the Alarm Priority list.