Unless you are absolutely sure you need to remove an Active Monitor Type from the Active Monitor Library, you should never have to delete an item from this list. If you do, and you find you need it later, you will have to configure it completely again. This includes the default types that were added during initial installation of WhatsUp Gold. We recommended that you only delete the custom monitors that you create.
Caution: When you remove an active monitor type from the library, all active monitors of that type are deleted from the devices you are monitoring, and all related report data is lost.
The best course of action is to remove the monitors at the device level or to disable the monitor by clearing the selection on the Device Properties.
To remove a monitor from a device:
Note: If you want to stop monitoring an Active Monitor on a device, but want to keep the historical data, then you must disable the monitor instead of deleting it from a device.
To remove an active monitor from multiple devices: