If you want to manually create "Gather Inventory" task or some other inventory task:
1. On the Manage menu, click Jobs and Tasks.
2. In the left pane, navigate to the folder where you want to create an inventory task, right-click the folder, and then click New > Task.
For example, to create an inventory task in the Jobs and Tasks folder, right-click Jobs and Tasks, and then click New > Task.
3. In the Create New Task dialog box, in the left pane, under Discovery and Inventory, click Gather Inventory.
4. In the right pane, specify the task's details.
5. (Optional) Click Advanced to configure the data classes, task run options, or the software inventory rules.
6. Click OK to save the task.
7. On the task page, schedule the task.
For more information, see the following topics:
"About inventory policies and tasks" at http://www.symantec.com/docs/HOWTO50076
"Manually creating and modifying inventory policies and tasks" at http://www.symantec.com/docs/HOWTO50053