Re-assigning a task to another available resource.Assigning another available resource to help perform a task.There are other methods of resolving resource over allocations in a project, such as. It can split a task to remove an over allocation.It can delay a task to remove an over allocation.One very important thing to remember about the built-in leveling tool is that it is only capable of resolving resource over allocations by doing one of two things: The built-in leveling tool in MS Project is greatly misunderstood, and if not used in a very controlled manner, it can wreak havoc in your project schedule.

I think that David's response was a bit harsh.