Tasks can be run manually from the management console by left click on the context menu of the task, then selecting "Run";
A new window will open titled "Execute Task" will then open (the window will be populated with the default task property values for this task (example below);
Before manually running the task the system administrator has the opportunity to temporarily replace these default values (the default values will return to their original state after the task has run).
When you have finished supplying the property settings, the task can be manually run by clicking on the button.