Description:
Why isn't the Total Effort value the same for Project Tasks: Task List and the Assignments area of Task Properties?
Solution:
The Total Effort field on the Task Assignments page looks for actuals that have posted, so the actuals on this page will not be in-sync with the Total Effort on the Task list until the timesheets have posted.
Actuals = Total number of hours submitted and posted against project tasks
Total Effort = Actuals + Remaining ETC (amount of effort required to complete task or project)
Below is sequence of events: