The Create Key Container action creates new key container in the User or Machine level.
From the Task Builder Available Actions pane, open the Cryptography folder and double-click the Create Key Container action or drag it into the Steps pane. The following dialog appears:
In the Key container name dropdown, enter the user name of the new key container.
Select a level from the Key container level box, either User or Machine.
Select a size from the Key size dropdown.
To set error handling, refer to Step Error Handling.
Click OK when finished.
Adding Task Steps
Create Key Container Action