A Threshold document that is not currently running can be modified from the Document Navigator of the Windows Client. It is not currently possible to modify a Threshold that is not running through the Web Application.
From the Windows Client, the properties of a Threshold or a Threshold Condition can be modified as required to meet any changing situations in the monitored environment.
From the Document Navigator right-click on the required Threshold document and select Properties from the context menu. This will open the Threshold properties dialog box.
Make the required modifications. See Creating a Threshold for details.
When complete, select the OK button to save the document.