This article was previously published under Q113154
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In Microsoft Project, if you create a task by dragging on the Calendar or the Gantt Chart, and you start dragging on a nonworking day and stop dragging on a nonworking day, the task is created as a milestone.
To avoid creating a milestone task when you create a task in the Gantt Chart by dragging on a view, turn on Advice from Planning Wizard.
When the PlanningWizard is turned on, and you drag on the Gantt Chart starting on a nonworking day, you receive the following message
You moved '(ID n)' to start on a nonworking day. (startdate)
where "n" is the ID number of the task you created and "Startdate" is the date on the Gantt Chart from which you started dragging. You then have the option to move the task to the next working day, or to make the scheduled start day a working day.
If you are using Project 2013 or 2010, click File and then click on Options. On the Advanced tab of the Options dialog box, select Advice from Planning Wizard check box under Planning Wizard.
If you are using Project 2007 or earlier, select the Advice About Scheduling check box under PlanningWizard on the General tab of the Options dialog box.
When you create a task by dragging on the Calendar or the Gantt Chart, start dragging on a working day and/or stop dragging on a working day.
PlanningWizards do not appear when you edit your project in the Calendar view. Because of this, when you format and edit your project in this view, you receive the same results as when you format and edit your project in the Gantt Chart view with the PlanningWizards turned off.