Techniques to Resolve Conflicts
There are several approaches you can take to resolve resource conflicts. Some of the approaches work regardless of whether the task is effort-driven. Other techniques work only if the task is effort-driven. Remember, Project adjusts the duration of an effort-driven task based on the number of resources you assign to the task, but Project leaves the duration unaffected by resource assignments if a task is not effort-driven. In some cases, shortening the duration of an effort-driven task might eliminate an overallocation for a resource, but if the task isn’t effort-driven, you can’t shorten the task’s duration.
If a task is not effort-driven, you can try any of the following to resolve a resource conflict: