The Constraint Date field shows "NA" for tasks with these constraints. If you want to indicate a deadline date without setting a constraint, you can use the Deadline field.

Project provides eight types of task constraints that can affect start times.

To more closely examine why certain tasks are scheduled as they are, you add the Constraint Type field to the Task Sheet view to review and change the constraint types as needed.

A constraint is a specification for conditions and propositions that must be maintained as true for the system to be valid. Constraints are expressed as text within braces ( { }) and may be written in a …

If you want a task to end on a particular day, set a finish date for the task. Next to Constraint type, click Must Finish On. Next to Constraint date, fill in your end date. Tip: To set the finish date back to its …

Such constraints affect scheduling while the Deadline field simply causes an indicator to show if a task has not been completed by its deadline. Add the Deadline field to a task sheet when you want to …

A constraint is similar to an index, although it can also be used to establish a relationship with another table. You use the CONSTRAINT clause in ALTER TABLE and CREATE TABLE statements to …

The task has not been scheduled or completed within the constraint's time frame. The task has a deliverable associated with it that another project depends on for its completion. The task has an …

Be aware that entering the start and finish dates sets a date constraint on the task, which limits the flexibility of your schedule. If you enter a start date and then enter a finish date, a Finish No Earlier …