Login to the NetGain WebView. Choose the menu item Fault Management -> Alarm filters. Click on the Create filter icon at the top of the alarm filter list, to create an alarm filter.
You can also create an alarm filter automatically to filter alarms similar to existing alarms. In Fault Management -> Browse alarms choose to view details of an alarm by clicking on the alarm's Message link. Click on the Create filter for similar alarms link at the bottom of the alarm details.